Seriously consider taking an avalanche course, or getting some increased knowledge of avalanche awareness and prevention (a book entitled Snow Sense would be an excellent place to start). Tucks claims lives on a regular basis -- I was on the mountain (climbing the Lion Head winter route) a few years back on a day when someone was killed skiing in the Gulf of Slides (and his companion was partially burried). Being in some proximity to someone who lost his life in a slide is really sobering; please don't let it be a member of your own party.
As a bare minimum, if you're looking to ski pow in the ravine, I think each member of your party needs to have a beacon, probe, shovel and the skills to use them. Good luck and please be safe. (And powder is fun, but the much safer corn snow is better!)