BigDawg, Tobin makes a seat style just for us called his "Big Guy Cut". The raised portion at the rear is narrower, giving you more butt room. I have them and like them a lot.
The only negative I've ever heard about Tobin's seats, and I do experience this myself, is that when stopped with your feet down, you can feel the edges of the flatter seat against your thighs, but it's nothing to be concerned about. What matters is how the work while riding and they are actually more comfortable than the Suzuki gel seat I was using.
Ed