I think you'll find that it's easier to control the board with a slightly negative rear angle. If you haven't tried that, I would give it a shot. Like +21, -12, that's what I've settled on after trying several different configurations. I tried positive rear angles early on and just never felt comfortable, even though I come from a skiing background. As far as stance width, I'm 6-1, 185 lbs, with size 11 boots, and have a 24.5" stance. Granted I ride more park than powder, regardless center of gravity is critical wherever you ride. If you're concerned about the setback, you could always mount the rear binding as far back as possible and set your width off of that.
Last edited by outlyr; 04-08-2012 at 11:35 AM.