I own this system. They are not "bright". The poster who said this does not know what he is talking about...sorry. They are extreamly musical and do not color the sound. Bass is tight, mids are crisp, and highs are airy and detailed.
This is Klipsch's flagship product and their engineers spent alot of time getting them right. Right down to the cabinet construction taken from the professional cinema line.
BTW I have owned many expensive speakers including M&K 150's, Paradigm Signature, B&W Nautilus, JMLab, Focus Audio, and Vandersteen Sigs.
For me, my speaker quest has ended at Klipsch THX UltraII.