Originally Posted by park_rat_allan
Assuming that you'll be using some kind of alpine/racing board, positive angles on both bindings is the norm there. These boards are directional so a duck stance isn't going to help you win any races considering you're not riding switch at any point (at least you shouldn't be and isn't really possible on racing/alpine boards). I'd suggest going with positive angles on both and adjust from there, more/less positive and tinker till you feel comfortable and can carve wicked sharp turns and maintain stability and speed on tight technical courses.
Actually, I have a small free ride board, 151, twin tip. I guess I should look for my older 154 crap board and adjust my stance.