Bought a PS3 which I don't like, giving it to g/f. Going to try an Xbox next, will it still work if I lay it on it's side? Don't have room in the cabinet to stand it up.
Personally I have always laid mine flat so the disc cant move around as the tray goes in. Also remember there are vents on the bottom and would be covered if you stand it on its end. Totally up to you what you do though.