I like to modify and repair retro consoles and handhelds, so I have a pretty large collection in various states of repair: GameBoys DMG/Pocket/Color, DS Lites, NESs, SNESs, GameCubes, N64s, a Dreamcast (what I currently have hooked up to my big workshop crt), PS1s, PS2s, a PS3 that I think is beyond repair, a few perfect condition Xbox 360s...I think that's it.
In emulation, aside from on my PCs, I have a couple of modded PSPs and a Vita, though I really only use the Vita since I got that.