Originally Posted by Aleph Null
What I'd do, is just schedule your 4 days for the Park City Resorts, hit each of them one day and use the left over day for whichever resort you prefer -- they're so close that I can't imagine there being a reason why you'd need to schedule them out ahead of time.
DV has such good turkey chilly that i'd hate for you to miss it.
And, if you have a day with no snow, the trees hold all kinds of great stashes for days after a storm since all the core folk don't want to be seen with them rich people.
(Incidentally, I almost throttled a rich family making fun of poor people on the tram from the parking lot on my last visit there.)
This is completely wrong. There is never snow in the trees at Deer Valley. There is no terrain steeper than intermediate. Everything is groomed to death. The food is lousy. Only rich intermediates ski there. You'd be miserable. Park City Mountain Resort is the place to be.
Personally, I rank Deer Valley and The Canyons ahead of Park City. You have to pick your days at The Canyons since much of the place is lower elevation or sits baking in the sun. 9990 is true big mountain alpine terrain. It doesn't have a whole lot of sustained vertical but it sprawls so you can find lots of untracked long after a storm as long as the sun hasn't baked it. I'd rate the tree skiing at Deer Valley just shy of Steamboat. It's not super-steep but it's loaded with medium pitch ungroomed terrain that is mostly ignored by all those Bogner people.
If it hasn't snowed recently, you're much better off in Little Cottonwood Canyon at AltaBird. The microclimate produces twice as much snow. It's higher elevation. With fresh snow, you're more likely to find untracked that's Powder Nazi-free at Deer Valley or The Canyons.