Hey guys, I'm about to pick up a pair of CRJ's, but I can't decide between the 172 and 180's. I am 5'7" ~170 lbs. give or take 5 lbs. I ski in Montana, mainly at Big Sky. Majority of skiing that I will do with these are cliffs 10-15 ft. nothing insane, pow days, and anything on the peak (Chutes...