I am a newbie to Polkville and was looking for some feedback. I am trying to improve my HT by upgrading my speakers and I was wondering what some of you might think about my AVR. It is a Sony STR-DG600, its a few years old but has done pretty good for me. I am doing 5.1 with it with my fronts M50's, my center a scs250 and still trying to figure out my surrounds. Do you think this group will work or is the AVR a weak point?