I think people are missing the point about the interior. Obviously there has to be a tradeoff. The performance of the Corvette eclipses that of the M3, whereas the interior of the M3 is better than the Corvette.
LPM 2006 Mazdaspeed 6
Cobb SRI//Cobb TIP//SLS Test Pipe//AWR Rear MM//AutoExe CF Grille
2000 BMW 323ci //Topaz Blue
2003 Evolution VIII
1995 Nissan 240sx w/ SR20DET