Get some 17" rims as planned, then get a winter tire setup. I went 265 70 17. Narrower than stock and has more sidewall. I got these for the reasons mentioned, better ride - the roads heave from the frost and are rougher - and narrower to cut through snow a little bit better. I went with Bridgestone Blizzaks DM-V1, got them through Tirerack. They are amazing to say the least. They look great and track incredible. We got dumped on last week and the roads were brutal on the way home at midnight, I played with all 3 settings (2 wheel, 4 auto, 4 lock) for fun and experimental purposes LOL. All 3 worked amazing, with each obvious one better than the other. The truck feels like it can go through anything winter has to offer with ease. I hate winter, but these Blizzaks will get me around no problem!!!!