Might be a used up thread but... A short article in my local paper actually mentioned robotic vacuum cleaners. While I can't seem to get the article on line, it referenced this site:
http://www.hoover.com/xq/asp/qx/Company/friendlypr.htm Not a lot of detail, but you've got to love a company called "Friendly Robotics" ! Sean ex-vacuum scientist... just not that kind of vacuum :-)
