Just turned 10k on my 05' A4. Best so far is 13.02@106. Playing with HPTuners and a LC-1 now and hope to be 12.80's by fall. Just got the rear replaced under warranty. Other than that, no problems. I LOVE this freakin' car.
Also working on a 67' Firebird 400 4 speed A.I.R. car.
http://userweb.suscom.net/~jasonrogers
Jason