5400 roms and XBMC all fit on a stock HD fine
I can upgrade your Xbox HD for $15 if you have an IDE drive
Youtube doesn't play at 720 P, but it plays full movies great!
The Xbox mod for $20 includes:
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XBMC with YOUTUBE! (new)
-300 MAME Arcade games Coinops (new)
-609 Nintendo Gameboy games
-520 Sega Genesis Games
-305 Gamegear Games
-350 Turbo Grafx 16
-400 Sega Master System Games
-1100 NES Games
-700 Super Nintendo Games
-20 Sega 32X Games
-500 Atari Games
-150 Atari Lynx Games
-20 N64 games (not perfect emulation)
-Sega CD (Requires ISO's or CD's)
!Watch video demonstration!
https://www.youtube.com/watch?v=Kv6zwttKKkc
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PS2 MOD
plays 2100 games for nes snes and genesis
not all snes games run full speed on PS2
https://www.youtube.com/watch?v=cwIy9HZWZww