Controllers

Arduino

arbotiX
arbotiX RoboController
Getting (arbotiX) Setup
arbotiX on Geeker.com
TRC Forum Thread on arbotiX

http://www.active-robots.com/products/robot-magazine/botmag.shtml
http://translate.google.com/translate?hl=en&langpair=it|en&sl=it&tl=en&u=http://technolando.blogspot.com/
hmmmmmmmmmm, very interesting (spreadsheet comparison - superficial)
http://www.geekomatik.com/taxonomy/term/7011/2252/8878?time=2592000&quicktabs_2=1