Agree on the APU. You should go for a AM3+ motherboard and a FX CPU instead. Since you are using a dedicated GPU going for a APU does not make alot of sense to me. You would get better performance going for say a FX-6350 or better and a AM3+ board.
But look here, it can play latest games on high http://www.youtube.com/watch?v=_2VrYX1YRgY