Axiom Home Page Forums General Discussion Home Theater Jumping from 5.1 to 7.1. Need Rear speaker advice

I Have about 8 feet from the rear wall to my sofa. The Ceiling behind the sofa is higher and in an angle which means I am planning on putting the surrounds on the ceiling. They would be in a 135 degree angle pointing towards the sofa. from the ceiling to the sofa there is maybe 10 Ft.

Jorge