Jim
1. your right most have some really big skis, even at stowe some people I ski with have 130-150mm underfoot monsters that would make no sense unless you were us. With that said I would say our 100mm skis our the ones that come out to play most often. For me I feel I can ski better than 95 percent of people on piste on them, and puts me in the 1 percent category off trail. The 100 mm waist width many of which our actually 98mm is by far the most versatile skis you can buy. With sharp edges on 98mm skis I never have an issue getting an edge on any surface.
Good, and what I expected.
But you can then apply the "calculator" information to determine that his wife could get more float out of 85-95 waist widths than you and your friends get from 100mm waists. (all other factors being equal).
And I use that to support my contention that she's fine with the skis she has, unless she demos something in the 95-100 range that she falls in love with.
And I agree with what you said, I don't think she should go above 100.
Gary, what does Alice use for her powder ski?
Lynn's are 84mm Fischer Muanga's.