I posted some speaker questions on HighDef Digest and was told that Sony audio products are all crap and I'd be better off buying much cheaper off-brand speakers? Can anyone confirm/deny? This is for a roughly 15'x18' (4.5mx5.5m) dedicated theater room and I'd like to keep my total for all eight speakers under $600 if possible. The plan was to use a SA-w2500 sub, a pair of ss-f6000 for fronts, a ss-cn5000 center and two pairs ss-b3000 for surrounds. The center bottoms out at 85 Hz. Is that anything to be concerned about? I don't know a lot about speakers, but I have taken college-level acoustics so can understand the principles. To put it in a n00b way, beyond the specs, whic I do understand and which make the Sonys look pretty good, how do I tell a good speaker from a bad one short of A/B comparisons which can be difficult/impossible to set up? Is there soem reliable review source that doesn't try to get you to buy magical $300 power cords?