Imagine sitting on the couch and watching as a robot cleans your house. It's possible now thanks to iRobot. Founded by MIT roboticists, iRobot deals in home robots such as the Roomba vacuum, the Mirra pool cleaner, the Scooba floor scrubber, the Braava floor mopper and the Looj gutter cleaner. Use iRobot coupons on the website to purchase one of these robots, already owned by 8 million techies, and check out the web specials section for additional savings.