Arduino Robot Ideas from the Blogs

http://arduinoarts.com/2012/02/news-piccolo-the-tiny-cnc-bot-with-arduino/

Fairly boring controllers, no intrinsic dynamics but beautifully made and designed.

http://arduinoarts.com/2011/09/the-sm-1-project-part-7-the-first-working-version-of-the-ikea-robot-lamp-with-arduino/

An arduino lamp that actually moves the a normal lamp. That could be an interesting approach to the living lamp, modify existing lamps with arduino extras.