Western Territory usually opens at 9 am with the rest of the resort unless its windy or temps gave them a late start grooming the previous night. Definitely hit Cupp and Shay first. Especially since all the terrible wedges will be out scraping it off by 11 or 12 you gotta get it there when you can. Remember, if you're good enough to stay near the trees confidently on Cupp you'll be in powder heaven for most of the day since all the bad skiers/boarders stay in the middle. I was there one mid week powder day with about 8 - 10 inches and boarded the powder on the side almost all day. It seemed like it only got better as the day went on as people would scrape more freshies from the center over to my stash. Really nice of them.
The Flying Eagle chair is closed mid week now so don't bother over there. Terrible really since Bear Claw and Eagle are AWESOME in powder. If you ever get a chance to hit them on powder days DO IT. Weave around to the outside of the patches of trees in the middle of Eagle and you'll find powder stashes for days.
The basin isn't that bad really. When I've been there during powder Skip Jack, Grabhammer, Knott Bumper (my favorite), Choker, and any moguls on the side of Ballhooter will be untracked for a good while. Also, Widowmaker is wide enough that you can usually take to the side and find powder for a good while. Try J-Hook too, not many people try it so its typically untracked.
