You can compress your iso with Dolphin (.gcz format). WiiScrubber can compress your iso too but the .wbfs format isn't supported yet (there's a thread about that http://forums.dolphin-emu.org/showthread.php?tid=21374)
[color=#ff0000][color=#006600]i5 3570K @ 4.5GHz/GTX 660 Ti/RAM 4GB/Win7 x64[/color][/color]
