I currently use my system for about 50% movies/TV and 50% music. My major problem is that it tends to sound muddled with complex/dense music (NIN, Devin Townsend) stuff like that. To reiterate what it says in my sig, I have various sources (Arcam CD72T, Sony BDP S360 and Sky HD box) plugged into a Yamaha RX-V657 receiver and I am driving the front three speakers (Mordaunt-Short MS30) with a Rotel RB-976 6 channel power amplifier. I have the left and right bi-amped (my centre does not support bi-amping/wiring.) I also have the almost obligatory BK Monolith connected When this system sounds good, it really can sound good, but it just seems to be a bit out of its depth with more complex music.It also lacks upper bass "authority" in my opinion, although I believe that is a characteristic of these speakers. What do you guys think is the weak point here? Is it my speakers?