I will admit a certain bias (due to my current auction), but I've been using Kimber 8TC for the last couple of years, and I've loved it. The Kimber added so much more detail and air over my old Audioquest cables, and 8TC is a definite upgrade over 4TC--there's just so much more there in the bass, detail and airiness departments. I'm upgrading to monoblocks, though and I don't need the longer speaker cables, so I'm auctioning them off. Scottyb, strangely enough, I just moved up to Harmonic Tech Pro-11, too. Simonsez, the 8TC that I am auctioning is currently at about $150 if you're interested (MSRP $284).