Box Rocket
SILVER Star
My experience is that they are a superb snow tire. Don't know about the newest variants. If you want to wheel with them in rocks however, be advised that they have a well-known sidewall weakness issue (read that they tear easily). Again, new variants may have addressed this issue. YMMV.
I haven't had any sidewall issues with mine, but the rocks I wheel in is a lot of sandstone and granite which isn't as sharp as the stuff on trails in places like S. Dakota for example. So if you wheel in sharp rocks, it's probably worth getting something with a strong sidewall. But back to your question about snow, I think you'll be happy with the BFGs.