You may want to consider a direct radiating speaker for the rears if your music is more important than HT. I think this way you will get more of what the engineers and artist intended it to sound like. The QS8 is an excellent speaker I hear, but excels at HT more than music. Only because of it's dispersion properties. Of course there are not many offerings in 5.1 or 6.1 music yet, but I believe it will become much more popular in the years to come. People who have heard re-mixed and mastered 5.1 recordings say they would never go back to 2 channel if they could. I don't think you'll miss as much on the HT side if your speakers are direct radiating type rather than a bi-pole design.
