The new supercharged S4 is amazing. Looks like it can be mapped to be as fast as the RS4. Shocking considering there are a few on Autotrader for 17k, still way too much for me, but cheap compared to RS4, RS6, new S8, etc.
http://www.youtube.com/watch?v=2KfMY96v_Gc
and a MRC tune can get it down to 3.5s to 60, thats Ferrari territory!
http://www.youtube.com/watch?v=sNddFyznyqg