If you want a fast winter bike get this one:
The Motobecane Fantom Cross Outlaw ~ $1000
www.bikesdirect.com/products/motobecane/outlaw.htm
* Get the Brushed Silver Model, it's Gorgeous!
It's built to be faster in the winter under conditions of snow and ice, due to a wider tire capacity and its geometry. Since its aluminum, you don't have to worry so much about rust.