No the back wall is the only place, no side walls and no on the ceiling, they will have to be in the same spot all my other surrounds have been/
The others I have had all sounded great, I just wanted to know if I needed to be using those "surrounds" considering where they are located or can I get by with just bookshelf's instead and also maybe save a few dollars.

Mits WD-92840
Sony BDP-CX960
Yamaha RX-A3000
Axiomv3 M80's,VP180,QS8s
HSU VTF-3MK4 Sub
PanamaxM5400