Current (as in still have not necessarily in active use):
PC (my 3rd and best)
3DS (essentially never used, no games for it lel)
PS2 (lying around unused, unloved gathering dust somewhere in my house).
Past:
PS1 (back when that was a Big Thing)
Gameboy color
Gameboy advanced
PSP (1st Gen, eventually broke)
2 PC's (1st was replaced by 2nd, 2nd eventually broke was getting old anyway)