AR5...im in ur exact position....i ski east coast, but go out to alta/snowbird and park city each year..i got the AR5's, havent used them in pow yet but the store owner said that he has and that they are sick in pow as well as anywhere else...get AR5's...oh and if ur worried about the powder part, get a size too big..i should have got a 170, but since they arent the greatest ski for powder, i got the 176's which is what the shop reccomended.