EliteFTS – Elite FTS is the end all, be all of great articles, training logs, information, and gear for powerlifters.
JTSStrength – Home of Brandon Lilly and his crew, this is a great source of info, programming, and inspiration.
Powerlifting Watch – Want to know about Meat Head-Friendly Gyms and Federation Meets in your area? Then you need to check out this site.
Inzer – Inzer is a good source for quality powerlifting gear and equipment.