The Pioneer S-1EX, first seen and heard at CES, were in a much larger room at HE2006 and were singing a very happy tune. They were, for me, among the best-sounding speakers at the show, and while the expansive environment probably helped, the speakers may have had a bit to do with it as well. The only disappointment here was that Pioneer chose to do a 2-channel setup, leaving the matching center and surrounds looking a little left out in the back of the room. Look for a review of the full system later this summer in UAV