AMG: 355 horsepower, 0-60mph in 4.9 seconds, V8 powered, 7-speed AUTO transmission (wtf?), 3397lb, $61 500. M: 330 horsepower, 0-60mph in 4.8 seconds, 6-speed manual transmission, M3 CSL brakes (18" rotors), 8000rpm redline, beats the M3 lap times on Nordschleife, 3295lb,$49 955. I'd go for the Beamer ;1