[DeSaganaDiop]

Beaver Creek is incredibly nice. It's got great skiing (and a full halpipe for snowboarding, along with a pretty nice park) in the winter, and some great mountain bike trails in the summer. It's nice too because it's part of the Vail Group, which means when you have a pass at Beaver Creek you can use it at Vail, Breckenridge, and I think Copper Mountain/Steamboat (not sure about last 2).
The town itself is really nice, and sounds pretty close to what you're looking for. It's very upscale with a bunch of nice restaurants/art shops/etc., and almost all the houses/condos are ski-in/ski-out. If you do want to go out and party, there is a town just down the mountain (5 min. drive) that has a more social scene, but Beaver Creek itself is just a nice, quiet, relaxing place. Definitely worth a look there, but the real estate is VERY expensive (even more so than any of the other resort towns)--bordering on exclusive. Also, they have a nice golf course in the town.