Relevant Links

Robot Kits Already on the Market:

Lego Mindstorm
Parallax
Hobby Enineering
Vex Robotics
e-puck
Evolution Robotics
K-team
Aibo
Small-bot

Microcontroller links:

Atmel Website
All about AVR Microcontrollers, HOW-TOs, code, info..
Microchip Website
Arduino Official Website

More Robotics links:

PBasic Language
Microsoft Robotic Studio
USA Robotic Competitions

Other: