The rooms at the Westin are all lofts- really nice layout with the bedrooms on the corridor floor and a great living room with murphy beds and kitchenette on the lower floor.
The toilet, bathroom sink area, and shower/tub are all in their own rooms so you can close the door to each one for more privacy.
The only thing they don't have that would be nice is a microwave, so you can't heat up leftovers or soup. It forces you to eat at one of the many restaurants (three at the Westin and 5 or 6 at the Rusutsu Resort across the street).
It isn't quite ski in/out but it is a short walk to the chairlift for East Mountain and Mt Isola, and a monorail short walk to West Mountain.