Flowertop
Off the top of my head!
Flights, accommodation, transfers (by private SUV) - £5000 with ski safari. That is staying at one of the best hotels though, in a one bed suite. (The Beaver Creek Lodge).
A full cooked breakfast for 4 people in the lodge was around $60 (eggs or pancakes, juice, coffee, toast etc).
Evening meal was really variable, as there is a wide range of different eating places (but probably $50 at pizza place, with wine, drinks deserts, through to $150 at one of the more expensive restaurants. It probably averaged out at $100 a night.
We use a private instructor which is $400 for a morning or afternoon session. The children's ski lesson package including lift pass is about $175 a day.
Life passes vary depending on when you ski - here is the link
There is no getting away from it, it IS expensive, but you get such a fabulous experience for your money, IMO!