Got my SNES from Mr. Movies.
Got my Gamecube from Funcoland.
Got my PS2 off ebay.
Got my Xbox from Gamestop.
Got my PSP from Best Buy
Got my Wii from Gamestop.
Got my DS from Gamestop.
Got my PS3 from Gamestop.
Game-wise, in recent years I have gotten all of them from gamestop, in the past I used to get them mostly from Target.