I think I'll update now that I'm living with my girlfriend and combined our consoles. Maybe be more thorough too.
Nintendo Entertainment System
Tiger Electronics Karate King
Nintendo Game & Watch Donkey Kong
Sega Genesis
Sega 32X
Nintendo Gamecube
Nintendo Gameboy Advance SP
Nintendo Gameboy Player
Nintendo DS Lite
Sony PS2 Slimline
Sony PSP
Nintendo DS (I downgraded because the DS is more comfortable)
Sony PS3 (Came with the Girlfriend)
Nintendo 3DS
Nintendo Gameboy Color (for syncing and multiplayer)
Nintendo 64