I have gto seats and they are really comfortable and pretty supportive as well. They were too tall for my camaro (because of the cage) but they fit perfectly in my brothers nova.
I also like the seats from a cobalt ss. It says SS in them, made by recaro, and they are also non-power so they shouldn't be as tall as the GTO's.
http://images.motortrend.com/roadtes...ront_Seats.jpg