Here are some links to some useful hockey sites, as well as some friends of the site:
NHL.com - NHL's homepage
CapGeek.com - A useful website for looking up salary cap information
HockeyJerseyConcepts.com - Where I get some of my jersey designs reviewed
TheHockeyNews.com - No explaination needed, great place for hockey news
BleacherReport.com - One of my favourite sports news sources
Buffalo Nickel Graphics - A blog from Ricky Mazella, featuring his hockey concepts as well as others.