I have both PS3 and 360 consoles and can honestly say that i enjoy my 360 a lot more.
Don't get me wrong, the PS3 can do some amazing things (Blueray looks incredible), i just find the 360 more fun.
Oh and if your worried about the switch in controllers, don't worry. I've been playing on PS2 for four years before
even touching an X-Box one and still i prefer 360 controls. But meh, if you really can't decide, save up and buy both.