Replying to Ar6 vs. Karmas

Ok so iam looking to pick up some new skis and ive narrowed it down to the karmas and ar6. i ski about 50/50 park all mountain. i ski lots of rails and live on the east coast i do plan on going out west at least 1 once a year and i plan on using these skis for a long time so what are u suggestions thanx. i know theres a thred already like this but i searched through search bar and would just like a little bit more info befor chossing.