1. Robotcombat.com - best information site on the web
2. Team Davinci - climbing the ranks of super-informative sites
3. Komodo's Forum - good, well maintained message board
4. Fantasy Battlebots - try it, you'll like it
5. Mutant Robots - I love Don's amazing robots
6. Aceuplink - if you are into robot games, you will love this site
7. Cool Robots - has an extremely informative builder's guide
8. SOZbots.com - antweight news, events, parts, and more
9. Battlebots.com - now being updated regularly
10. The Marketplace - one stop shop for all things robotic
Builder/Team links-
Team Nightmare
Coolrobots
Inertia labs
Juggerbot
Whyachi
Infernolab
Team Mad Cow
Biohazard
Tips for newbies:
My guide for custom ants
Team G-bot's site