Commodore 64
ZX Spectrum
BBC Micro
Acorn Archimedes

NES
SNES
N64
Gameboy
Gameboy Advance

Master System
Megadrive (Genesis)
Sega CD
32X
Saturn
Game Gear

Playstation 1

Not to mention three desktops and a laptop =D~

I intend to get a Playstation 2 in February, just in time to nab FFXII when it comes out, grabbing a fair few other games when I do (FFX, FFX-2, KH, KH2, MGS2, MGS3... yay for sequels~).