diff --git a/HBC/META.XML b/HBC/META.XML
index 9318a215..7d8a2fd5 100644
--- a/HBC/META.XML
+++ b/HBC/META.XML
@@ -2,8 +2,8 @@
 	<app version="1">
 		<name> USB Loader GX</name>
 		<coder>USB Loader GX Team</coder>
-		<version>3.0 r1206</version>
-		<release_date>20121209202238</release_date>
+		<version>3.0 r1207</version>
+		<release_date>20121209211824</release_date>
 		<!--   // remove this line to enable arguments
 		<arguments>
 				<arg>--ios=250</arg>
diff --git a/source/GameCube/GCDumper.cpp b/source/GameCube/GCDumper.cpp
index 961b8380..3a9d0009 100644
--- a/source/GameCube/GCDumper.cpp
+++ b/source/GameCube/GCDumper.cpp
@@ -201,7 +201,7 @@ int GCDumper::ReadDiscInfo(const u64 &game_offset)
 	return 0;
 }
 
-s32 GCDumper::InstallGame(const char *installpath, u32 game)
+s32 GCDumper::InstallGame(const char *installpath, u32 game, const char *installedGamePath)
 {
 	if(!ReadBuffer || game >= discHeaders.size() || game >= gameOffsets.size() || game >= gameSizes.size())
 		return -1;
@@ -266,6 +266,10 @@ s32 GCDumper::InstallGame(const char *installpath, u32 game)
 	// snprintf(gamepath, sizeof(gamepath), "%s%s [%.6s]%s/", installpath, gametitle, gcheader.id, Disc ? "2" : ""); // Disc2 currently needs to be on the same folder.
 	snprintf(gamepath, sizeof(gamepath), "%s%s [%.6s]/", installpath, gametitle, gcheader.id);
 
+	// If another Disc from the same gameID already exists, let's use that path
+	if(strlen((char *)installedGamePath) != 0)
+		snprintf(gamepath, sizeof(gamepath), "%s/", installedGamePath);
+
 	CreateSubfolder(gamepath);
 
 	// snprintf(gamepath, sizeof(gamepath), "%s%s [%.6s]%s/game.iso", installpath, gametitle, gcheader.id, Disc ? "2" : ""); // Disc2 currently needs to be on the same folder.
@@ -384,9 +388,12 @@ s32 GCDumper::InstallGame(const char *installpath, u32 game)
 	if(result < 0)
 	{
 		RemoveFile(gamepath);
-		char *pathPtr = strrchr(gamepath, '/');
-		if(pathPtr) *pathPtr = 0;
-		RemoveFile(gamepath);
+		if(strlen((char *)installedGamePath) == 0) // If no other disc is installed in that folder, delete it.
+		{
+			char *pathPtr = strrchr(gamepath, '/');
+			if(pathPtr) *pathPtr = 0;
+			RemoveFile(gamepath);
+		}
 
 		if(result != PROGRESS_CANCELED)
 			ShowError(tr("Disc read error."));
diff --git a/source/GameCube/GCDumper.hpp b/source/GameCube/GCDumper.hpp
index 8c43d042..4d6a232b 100644
--- a/source/GameCube/GCDumper.hpp
+++ b/source/GameCube/GCDumper.hpp
@@ -37,7 +37,7 @@ class GCDumper
 public:
 	GCDumper();
 	~GCDumper();
-	s32 InstallGame(const char *installpath, u32 game);
+	s32 InstallGame(const char *installpath, u32 game, const char *installedGamePath);
 	s32 ReadDiscHeader(void);
 	int ReadDiscInfo(const u64 &game_offset);
 	void SetForceAlign(bool b) { force_align32 = b; }
diff --git a/source/GameCube/GCGames.cpp b/source/GameCube/GCGames.cpp
index d2d233e3..ddfbc1bb 100644
--- a/source/GameCube/GCGames.cpp
+++ b/source/GameCube/GCGames.cpp
@@ -222,38 +222,47 @@ u32 GCGames::LoadAllGames(void)
 	sdGCList.clear();
 	sdGCPathList.clear();
 
-	LoadGameList(Settings.GameCubePath, HeaderList, PathList);
+	if(strcmp(Settings.GameCubePath, Settings.GameCubeSDPath) == 0 || Settings.GameCubeSource != GC_SOURCE_SD)
+		LoadGameList(Settings.GameCubePath, HeaderList, PathList);
 
-	if(strcmp(Settings.GameCubePath, Settings.GameCubeSDPath) != 0)
+	if(strcmp(Settings.GameCubePath, Settings.GameCubeSDPath) != 0 && (Settings.GameCubeSource != GC_SOURCE_MAIN))
 	{
 		LoadGameList(Settings.GameCubeSDPath, sdGCList, sdGCPathList);
 
 		for(u32 i = 0; i < sdGCList.size(); ++i)
 		{
-			u32 n;
-			for(n = 0; n < HeaderList.size(); ++n)
+			if(Settings.GameCubeSource == GC_SOURCE_AUTO)
 			{
-				//! Display only one game if it is present on both SD and USB.
-				if(memcmp(HeaderList[n].id, sdGCList[i].id, 6) == 0)
+				u32 n;
+				for(n = 0; n < HeaderList.size(); ++n)
 				{
-					if(IosLoader::GetMIOSInfo() == DIOS_MIOS) // DIOS MIOS - Show only the game on USB
+					//! Display only one game if it is present on both SD and USB.
+					if(memcmp(HeaderList[n].id, sdGCList[i].id, 6) == 0)
 					{
-						break;
-					}
-					else // replace the one loaded from USB with the same games on SD since we can load them directly
-					{
-						memcpy(&HeaderList[n], &sdGCList[i], sizeof(struct discHdr));
-						PathList[n] = sdGCPathList[i];
-						break;
+						if(IosLoader::GetMIOSInfo() == DIOS_MIOS) // DIOS MIOS - Show only the game on USB
+						{
+							break;
+						}
+						else // replace the one loaded from USB with the same games on SD since we can load them directly
+						{
+							memcpy(&HeaderList[n], &sdGCList[i], sizeof(struct discHdr));
+							PathList[n] = sdGCPathList[i];
+							break;
+						}
 					}
 				}
-			}
 
-			// Not available in the main GC path
-			if(n == HeaderList.size()) {
-				HeaderList.push_back(sdGCList[i]);
-				PathList.push_back(sdGCPathList[i]);
+				// Not available in the main GC path
+				if(n == HeaderList.size()) {
+					HeaderList.push_back(sdGCList[i]);
+					PathList.push_back(sdGCPathList[i]);
+				}
 			}
+			else // GC_SOURCE_SD, or GC_SOURCE_BOTH (show duplicates)
+			{
+ 				HeaderList.push_back(sdGCList[i]);
+ 				PathList.push_back(sdGCPathList[i]);
+ 			}
 		}
 	}
 
@@ -386,7 +395,7 @@ bool GCGames::IsInstalled(const char *gameID, u8 disc_number) const
 	{
 		if(memcmp(HeaderList[n].id, gameID, 6) == 0)
 		{
-			if(HeaderList[n].type == TYPE_GAME_GC_EXTRACTED)
+			if(HeaderList[n].type == TYPE_GAME_GC_EXTRACTED || Settings.GCInstallCompressed)
 				return true; // Multi-disc games in extracted form are currently unsupported by DML, no need to check further.
 			
 			if(HeaderList[n].disc_no == disc_number) // Disc number already in headerList. If Disc2 is loaded in headerList, then Disc1 is not installed yet
diff --git a/source/menu/menu_install.cpp b/source/menu/menu_install.cpp
index c69a4f03..ae27f0b8 100644
--- a/source/menu/menu_install.cpp
+++ b/source/menu/menu_install.cpp
@@ -84,6 +84,11 @@ int MenuGCInstall()
 			return MENU_DISCLIST;
 	}
 
+	// Load only available games from the selected device
+	int oldGameCubeSource = Settings.GameCubeSource;
+	Settings.GameCubeSource = destination-1;
+	GCGames::Instance()->LoadAllGames();
+
 	const char *InstallPath = destination == 1 ? Settings.GameCubePath : Settings.GameCubeSDPath;
 
 	//! Start of install process, enable wii slot light
@@ -125,8 +130,20 @@ int MenuGCInstall()
 			}
 		}
 
+		// Check if another Disc number from the same game is already installed on this device
+		GCGames::Instance()->LoadAllGames(); // refresh installed game list
+		char installedGamePath[512];
+		if(GCGames::Instance()->IsInstalled((char *)gcDumper.GetDiscHeaders().at(installGames[i]).id, gcDumper.GetDiscHeaders().at(installGames[i]).disc_no == 0 ? 1 : 0))
+		{
+			snprintf(installedGamePath, sizeof(installedGamePath), GCGames::Instance()->GetPath((char *)gcDumper.GetDiscHeaders().at(installGames[i]).id));
+			char *pathPtr = strrchr(installedGamePath, '/');
+			if(pathPtr) *pathPtr = 0;
+		}
+		else
+			installedGamePath[0] = 0;
+
 		// game is not yet installed so let's install it
-		int ret = gcDumper.InstallGame(InstallPath, installGames[i]);
+		int ret = gcDumper.InstallGame(InstallPath, installGames[i], installedGamePath);
 		if(ret >= 0) {
 			//! success
 			installed_games++;
@@ -157,6 +174,7 @@ int MenuGCInstall()
 	}
 
 	wiilight(0);
+	Settings.GameCubeSource = oldGameCubeSource;
 	GCGames::Instance()->LoadAllGames();
 
 	//! no game was installed so don't show successfully installed prompt
diff --git a/source/settings/CSettings.cpp b/source/settings/CSettings.cpp
index edf56c0f..4337fac3 100644
--- a/source/settings/CSettings.cpp
+++ b/source/settings/CSettings.cpp
@@ -169,6 +169,7 @@ void CSettings::SetDefault()
 	BannerProjectionHeight = (Settings.PAL50 ? 448.0f : (NTSC ? 470.0f : 464.0f));
 	GCBannerScale = 1.5f;
 	GameCubeMode = GC_MODE_MIOS;
+	GameCubeSource = AUTO;
 	DMLVideo = DML_VIDEO_AUTO;
 	DMLProgPatch = OFF;
 	DMLNMM = OFF;
@@ -398,6 +399,7 @@ bool CSettings::Save()
 	fprintf(file, "GameCubePath = %s\n", GameCubePath);
 	fprintf(file, "GameCubeSDPath = %s\n", GameCubeSDPath);
 	fprintf(file, "GameCubeMode = %d\n", GameCubeMode);
+	fprintf(file, "GameCubeSource = %d\n", GameCubeSource);
 	fprintf(file, "DMLVideo = %d\n", DMLVideo);
 	fprintf(file, "DMLProgPatch = %d\n", DMLProgPatch);
 	fprintf(file, "DMLNMM = %d\n", DMLNMM);
@@ -806,6 +808,11 @@ bool CSettings::SetSetting(char *name, char *value)
 		GameCubeMode = atoi(value);
 		return true;
 	}
+	else if (strcmp(name, "GameCubeSource") == 0)
+	{
+		GameCubeSource = atoi(value);
+		return true;
+	}
 	else if (strcmp(name, "DMLVideo") == 0)
 	{
 		DMLVideo = atoi(value);
diff --git a/source/settings/CSettings.h b/source/settings/CSettings.h
index e371aeb8..c0cdd4f3 100644
--- a/source/settings/CSettings.h
+++ b/source/settings/CSettings.h
@@ -171,6 +171,7 @@ class CSettings
 		float BannerProjectionHeight;
 		float GCBannerScale;
 		short GameCubeMode;
+		short GameCubeSource;
 		short DMLVideo;
 		short DMLProgPatch;
 		short DMLNMM;
diff --git a/source/settings/SettingsEnums.h b/source/settings/SettingsEnums.h
index 01d7d647..7166568e 100644
--- a/source/settings/SettingsEnums.h
+++ b/source/settings/SettingsEnums.h
@@ -280,6 +280,16 @@ enum
 	
 };
 
+enum
+{
+	GC_SOURCE_MAIN,
+	GC_SOURCE_SD,
+	GC_SOURCE_AUTO,
+	// GC_SOURCE_BOTH,	// GCGames::getPath(GameID) always returns the first encountered path in the gameList
+	CG_SOURCE_MAX_CHOICE
+	
+};
+
 enum
 {
 	DEVO_MC_OFF,
diff --git a/source/settings/menus/LoaderSettings.cpp b/source/settings/menus/LoaderSettings.cpp
index 823d4170..c1da9440 100644
--- a/source/settings/menus/LoaderSettings.cpp
+++ b/source/settings/menus/LoaderSettings.cpp
@@ -35,6 +35,7 @@
 #include "usbloader/GameList.h"
 #include "utils/tools.h"
 #include "menu.h"
+#include "gamecube/GCGames.h"
 
 static const char * OnOffText[] =
 {
@@ -115,6 +116,14 @@ static const char * GCMode[] =
 	trNOOP( "Devolution" ),
 };
 
+static const char * GCSourceText[] =
+{
+	trNOOP( "Main Path" ),
+	trNOOP( "SD Path" ),
+	trNOOP( "Auto" ),
+	trNOOP( "Both" ),
+};
+
 static const char * DMLVideoText[] =
 {
 	trNOOP( "DML Auto" ),
@@ -167,6 +176,7 @@ LoaderSettings::LoaderSettings()
 	Options->SetName(Idx++, "%s", tr( "Debugger Paused Start" ));
 	Options->SetName(Idx++, "%s", tr( "Channel Launcher" ));
 	Options->SetName(Idx++, "%s", tr( "GameCube Mode" ));
+	Options->SetName(Idx++, "%s", tr( "GameCube Source" ));
 	Options->SetName(Idx++, "%s", tr( "DML Video Mode" ));
 	Options->SetName(Idx++, "%s", tr( "DML Progressive Patch" ));
 	Options->SetName(Idx++, "%s", tr( "DML NMM Mode" ));
@@ -184,6 +194,7 @@ LoaderSettings::LoaderSettings()
 	SetOptionValues();
 
 	oldLoaderMode = Settings.LoaderMode;
+	oldGameCubeSource = Settings.GameCubeSource;
 }
 
 LoaderSettings::~LoaderSettings()
@@ -199,6 +210,11 @@ LoaderSettings::~LoaderSettings()
 		gameList.LoadUnfiltered();
 		GameTitles.LoadTitlesFromGameTDB(Settings.titlestxt_path, false);
 	}
+	
+	if(oldGameCubeSource != Settings.GameCubeSource)
+	{
+		GCGames::Instance()->LoadAllGames();
+	}
 }
 
 void LoaderSettings::SetOptionValues()
@@ -270,6 +286,9 @@ void LoaderSettings::SetOptionValues()
 	//! Settings: GameCube Mode
 	Options->SetValue(Idx++, "%s", tr(GCMode[Settings.GameCubeMode]));
 
+	//! Settings: GameCube Source
+	Options->SetValue(Idx++, "%s", tr(GCSourceText[Settings.GameCubeSource]));
+
 	//! Settings: DML Video Mode
 	Options->SetValue(Idx++, "%s", tr(DMLVideoText[Settings.DMLVideo]));
 
@@ -458,6 +477,12 @@ int LoaderSettings::GetMenuInternal()
 		if (++Settings.GameCubeMode >= CG_MODE_MAX_CHOICE) Settings.GameCubeMode = 0;
 	}
 
+	//! Settings: GameCube Source
+	else if (ret == ++Idx)
+	{
+		if (++Settings.GameCubeSource >= CG_SOURCE_MAX_CHOICE) Settings.GameCubeSource = 0;
+	}
+
 	//! Settings: DML Video Mode
 	else if (ret == ++Idx)
 	{
diff --git a/source/settings/menus/LoaderSettings.hpp b/source/settings/menus/LoaderSettings.hpp
index 7792f2dc..2d6024e5 100644
--- a/source/settings/menus/LoaderSettings.hpp
+++ b/source/settings/menus/LoaderSettings.hpp
@@ -36,6 +36,7 @@ class LoaderSettings : public SettingsMenu
 		int GetMenuInternal();
 
 		short oldLoaderMode;
+		short oldGameCubeSource;
 		OptionList GuiOptions;
 };