I don't think you need to look for "the best", just "really good". Some places I'd like to go for a vacation: Whistler (again), Breck (because of CRO's vids), and Lake Louise (just because). Honestly, if I won the lottery I'd make a list of all the mountains and stay at each one for a few days.
Illegitimi non carborundum
I hate the parts between winter...