I'm not sure what is "blah" about the Audi's performance. The RS4 I traded in for the 750 will run circles around the 750 or B7 any day all day long. Just an immensely more fun car to drive. Reliability is a different conversation, otherwise I'd still be driving it.
BMW 750xi M-Sport/Executive/Technology Packages 2012
Lexus LX470 2006
Mercedes SL500 1998
Past vehicles: BMW E38 740 1999, BMW E92 M3, Audi RS4 2007, Audi A8 2005, Mercedes S500 2001, Lexus LS400 1996, Lexus LS430 2003, Lexus SC400 1996, Acura NSX 1995, Toyota MR2 Turbo 1992, Honda S2000 2004, and just too many more to list