Thank you guys. If we stay in our current townhouse for the long run,I'll move the projector and HT gear upstairs and install a powered screen.The upstairs is all open concept so need to be able to fill a large area like you described dakkon.
Will my reciever be able to power my current setup with the VP-180 ? Here are the specs http://usa.yamaha.com/products/audio-vis...__u/?mode=model

Sanyo Z5 HD Projector w/100" screen
Yamaha RXV-663,BD30,HD-A30
Toshiba 55SV670U
M60s
VP150
QS8s