I've been thoroughly impressed with my Cyclones! They are not waterproof, but in the typically mild winter temperatures here (upper 20s to low 40s) they do very well.
For really cold weather, check out the Ibex wool glove liners and a pair of alpine glove shells like the REI Minimalist.
__________________
"I feel like my world was classier before I found cyclocross."
- Mandi M.