Weird, this is a lot better thread than my own in the E9x M3 vs. section, where I was 1/3 crucified for thinking about a straight trade of my 12k km 2011 E90 M3 to a brand-new full-warranty 2011 CTS-V Wagon 6MT:
http://www.m3post.com/forums/showthread.php?t=686427