There's a joke about a mountain, some snow & a couple of dozen red & blue flags being a better bet hiding in there, but I shan't.....
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Not being a (water)skier myself, what's the optimum for that? No wake or big wake? That may alter the hull decision, but on a boat that size with a 90 there should be more than enough grunt to get a skier on the move. There's a load of skiers in the massive out there, so someone should be along with a half decent answer shortly.