I'm bumping this one up as well - I see I asked almost the same thing last year at this point 
There are a lot of good points here. Feel free to add anything else!
Last year I ended up writing a starter guide for our intranet pages as mentioned, and bought a batch of thin wool helmet liners for resale. Very little feedback on the guide, though, so I'm not sure that's what people needed.
Winter riding is much less about badassery and much more about bundle-uppery. - malkin
1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
2008 white Nakamura Summit Custom mtb/Terry Falcon X
2000 Schwinn Fastback Comp road bike/Specialized Jett