Ski every day is the best answer, but for,those,who must choose. In the east, I'll go with day after. I skied the storm. First tracks were great, but after it was cut up, skiing was a ball buster for most skiers. We just don't get that super dry pow like,out west. The good news is the mountain is open daily offering something for everyone, but on storm day you better be in great shape and bring your "a game".
I Think, Therefore I Ski