Been a while since I replied to this one:
Atari 2600 35
ColecoVision 19
Gameboy / Color 15
NES 43
Genesis 18
NGPC 7
Neo Geo (CD) 3
Neo Geo (MVS) 16
Gameboy Advance 19
Playstation 16
Gamecube 15
PS2 19
Nintendo DS 6
PSP 18
XBOX 23
XBOX 360 14
Total: 286