If you live near San Francisco and may be looking for something robotic to do that weekend...head on over and take a look at the world's largest open robot competition. The 4th annual RoboGames is sure to "spark" some interest for builders and spectators alike. There will be many different classes of robots from LEGO MindStorms to fire-spitting behemoths...and featuring competitions in over 70 different events: combat robots, walking humanoids, soccer bots (Robot World Cup), sumo bots, and even androids that do kung-fu. Some robots are autonomous and some are remote controlled.
LEGO Challenge (Line Running Challenge)
LEGO Open (Robot Design Contest)
If you go send me some pictures! I'll post them here.