I've got a Recaro Profi XL which looks very similar to this. Install is scheduled soon.Thanks to MotorDrive's Allan & Melanie, I finally got their Cayman racing seat plus the sliding rail. I'll try to install it tomorrow if it's not raining, but the construction is top rate, service was excellent, and totally worth the wait.
For those who are a bit more, shall we say plump, this seat certainly fits the bill well. I'm 6', 215lbs with a 38" waist on a good day, and I fit snugly (exactly what I was looking for) without discomfort. I'll have to see how I actually feel once the seat is in, and how it feels on long trips (3~4 hours), but this may be the most economical (and I believe meets FIA specs) alternative to Porsche GT3 seats.