how will the gameplay b used on this system? will u only be using the chakram or can u also use her other funtions like; fighting, flipping, catching darts, and so on, or will it b only in 1st person view? i am looking foward 2 playing this remarkable game. and 1 more question or 2. how much will the chakram cost? and where can i buy this game and will it b in the US.