Link 1: Robot Square - (Mindstorms) Robot design and development

Robot Square is a gathering (hence the Square) of robots made with MINDSTORMS NXT. Besides featuring completed robotic projects, the site has articles about the robot design process and about other robotic news worth sharing.

Laurens Valk (author of Robot Square) is a full time Mechanical Engineering student at Delft University of Technology (Netherlands). He is the author of several popular MINDSTORMS books including The LEGO MINDSTORMS NXT 2.0 Discovery Book.
Content is currently being moved to this site from the authors' old site:

Link 2: Home / Welcome - MINDSTORMS creations & instructions