i personally ride a twin tip board with a centered stance. my binding angles are exactly +15 and -15.
this makes my board exactly identical when riding switch. this is mainly for park riding, i dont feel any difference in switch.
usually when riding all mountain you will have your angles not as "ducked" as 15/15.
something like 18/9 or 15/5 (just random examples) is what you would use for a beginner/all mountain stance.
the best way to discover what works for you is just play around with it for a couple runs until you feel something comfortable.
when it comes to board shapes, twin tip just means the nose and tail are exactly the same shape, so riding switch is the same. also usually the flex will be the same. this is for freestyle.
directional means the nose and tail are differently shaped, and the bindings are set back for deep snow, powder, etc.
Last edited by alex is w0rd; 08-23-2009 at 09:18 PM.