Breckenridge is probably the best deal for families. And that's also the reason why Breck is pretty much maxed out in winter and summer for the last 5 or more years.
A decent town, great intermediate skiing with great views. Options to go to Keystone, A basin and Vail or Beaver Creek if you get bored.
Aspen is great if you are a Hedge fond manager, Lance Armstrong or you use a Gulfstream V for your commute.