I'm 6'4" 200lbs and sometimes I have problems getting out, but only when people park right next to me out in the boonies for absolutely no reason what so ever. I have debated trading it in for an Evo or STI just for the four doors, however, the Z is a true sports car. Sure its harsh, small, and impractical, but at the end of the day it still gets my adrenaline going taking corners with VDC off. Evos and STIs are great because of the AWD, but the Z just has that "surprise" factor. I've had an AWD car, 2007 Audi S4, it was fun but not anything compared to the Z.
Only do it if you need the room! Just my