I think that this is all of them, though i might be missing one
NES
SNES
N64
GameCube (Black) W/ GameBoy Player
GBC (Atomic Purple)
GBA (Iceberg)
GBAsp (Platinum) W/ e-Reader
Genesis model 2 W/ 32X
Dreamcast (Sports Edition)
Game Gear
PSOne (also have Sony LCD)
PS2
XBox
3DO (no controllers, just hookups)
Atari Jaguar
NeoGeo Pocket Color (Clear)