For cold weather tips including clothing, gear, and techniques:
Icebike Home Page
Bike saftey guru, Ken Kifer:
http://www.phred.org/~alex/kenkifer/...ffic/index.htm
Bad link in SVO`s original post to Kifer`s main page. Other stuff on his site too, but his saftey info is a must read for anybody new to riding in traffic. Not everything is obvious and some is very counterintuitive.