Glad you liked the Rel150... That is another sub that has been well regarded for music. Will Magnolia let you do an in-home trial?

One thing I've noticed is that its hard to compare subwoofers in a show room. I remember going to Tweeters to look at the Martin Logan Grotto and the Velodyne SPL1200. I thought the ML Grotto kicked the Velodyne's butt in terms of tightness and accuracy, but it turns out that they did a poor job calibrating the Velodyne. The two subwoofers were also in a different room. I heard the Velodyne again after it was properly placed and calibrated, and the differences were not as pronounced.

The Rel may be the subwoofer for you, but I just wanted to make sure that the comparisons were made under close to ideal sitations.