For that much money, I think the M3 is a better buy.
That being said, I am going to take a hard look at a low milage B8 S4 when my M3 lease is up!
Waitlist: #1 M2 CSL
2016 F15 X5 3.5xdrive (Current) - 2013 535i xdrive (Gone)
2008 E92 M3 (Gone) - 2006 E90 325i (Gone)
2002 E46 325xi (Gone) - 1991 E30 325i (Gone)