Hi All, I've just got an amazing new LG B7 for my TV and now I'm looking to upgrade my sound. At the moment I have the following equipment: AVR: Yamaha RX-V373 Speakers (all originally from the Onkyo HTP-038 HTIB): Front Left: Onkyo SKF-038 Centre: Onkyo SKC-038 Front Right: Onkyo SKF-038 Rear Left: Onkyo SKR-038 Rear Right: Onkyo SKR-038 Subwoofer: Cambridge Audio S80 The rears are mounted on the wall, fronts and centre are on a TV stand underneath my TV (which is wall mounted). I'm actually still quite satisfied with the sound from the speakers but I think the sound is a bit "hollow" which I am guessing is down to the sub, so would this make sense as something to upgrade? Budget isn't exactly fixed but would appreciate spending as little as possible, so would appreciate options being "best bang for your buck", if possible. Many thanks.