About to upgrade Receiver (Yamaha RX-V440) and am considering Marantz SR7500 and Yamaha RX-V657. Buying B&W MT-20 Sub-Sat system as have smallish room (18 m2) and 4 year old son so don't want floorstanders / standmounts that he can damage. Want receiver mainly for movies and music DVD's (watch /...
