ok i got my 60 inch flat screen tv check! have the ps3 check! xbox 360 check! now all i need is the theater sound for my games. is there a surround sound system out there that can work with my hdtv cable box and ps3 and x box systems? i use hdmi cables to play my games on both systems. im wondering if it is even possable to hook up a Surround sound to watch tv and play my games. help please. if so what do i buy?