Have you considered the Elise's big brother? The Evora is more comfortable. I have both a 3.2 Carrera and an Evora. Candidly I've never been tempted to drive the 911 on track. The Evora is a track experience and a great choice for me since I sporatically do driving events with no more than 3 per year and don't need an all out toy, just a 3/4 toy. I'm 6'2" with a long torso and fit fine with a helmet in the Evora. If you watch the Top Gear review of the Evora there are some good shots of Clarkson driving, he's 6'5" and has headroom. Doesn't sound like you'll make a bad choice either way. Whatever it's worth, the 911 is my forever car but that's because it pulls on my heart strings and has roots to my youth.
