I agree with Tswhitsel. Samski, search the threads for 10T to read what some of us say about those. One problem with the 8b is it's overpowering bass and difficulty in proper set-up. I have the 10Ts and can't find anything wrong with them. As far as the used prices are concerned, there have been internal and external changes done by Aerial over the years; so don't believe that a current 10T is the same as one that is 5 years old. The changes are not advertised.
Aerial 10 T vs Aerial 8 B
I do not have a local dealer, so I have not been able to compare, I need some advise on these, are the 10's worth the extra cost, I am using a jeff rowland synergy 2 preamp and a ead powermaster 1000 200 x5 8ohms and 375 4 ohms, thanks all