The RoboRally IFAQ
The RoboRally Players' Club (A message board. Go talk!)
The Robo-Race (Actually an adoption of my own idea.)
Ry4an's RoboRally Archive Site
Richard's RoboRally Resource (Home of RR PBEM)
A complete list of all (official & unofficial) Option Cards
Arjen's RoboRally Page (Some of my boards but with very nice graphics.)
boardgame.pagina.nl A huge list of everything Boardgame.