Amiga 500, Amiga 1200/030 HD, C64, Atari 800, Atari 800XL, PC. I thought I had a 128 somewhere, but not sure..
An old Pong, Atari 2600, 5200, TV Boy (a 2600 with a ton of bootleg games built in), Odyssey II, ColecoVision, Vectrex (with 3D glasses), TurboGrafx 16, Atari Lynx, VirtualBoy, NES, SNES, Saturn, DreamCast, 3DO, Playstation 1.
I might be missing a couple... That's what I have.. What I use is just a PC (that runs WinUAE
).. I went through a retro collecting phase, but only WinUAE really stuck.
My favorites, though, would be C64 for 8-bit, Amiga for 16-bit. The Atari Lynx for a portable. My Vectrex is my old-school pride and joy, not for the playing so much as for the collecting/rarity.