SanAndreasX on 23 October 2014
My 60-gigger fat PS3 (upgraded to 500GB), which plays all my PS3, PS2, and PS1 games. Those consoles taken by themselves were all great as well.
Other than the PS line, my favorites are the Gamecube and SNES. Handheld wise, I'd give it to 3DS followed by PSP.