Only Backcountry skis
Got a pair of 179 Pontoon last month (5'9" - 175 lbs)(usually ski on 168 Rossi B3), and skied a week in Japan famous Niseko pow. In the backbowls of the backcountry this skis were awesome. They just floated and the energy needed to ski deep powder was minimal. I was concerned about their handling in the trees, but had no problems with quick, accurate turns. Going back to the resort via the groomers was more of challenge, not very comfortable, and the knees and legs took a beating.
A small price to pay for the best rides I ever had in Pow.
For someone spending less than 90% skiing backcountry, I would suggest they look a another ski, for the other, enjoy the ride!