Thanks for your suggestions everyone.

I think I'm going to go with the Ross BC 70 skis with large ("Magnum") NNN-BC bindings. These seem to be best suited for my current slow, low-risk approach to downhills.

This link provided by PackRat is a great resource. The author of that site has much experience doing exactly what I want to do in the same type of terrain I'll be in:
http://home.comcast.net/~pinnah/DirtbagPinner/quick-picks.html
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Bushcraft Science: It's not about surviving in the wilderness, it's about thriving in the wilderness.