Update: this is now sold out! Reconditioned models of the iRobot Roomba 4199 vacuum cleaning robot are on sale for just $79.99 at Buy.com. Plus, new users who sign up and pay via Google Checkout get an additional $10 discount, cutting the price to $69.99, the all-time low for a refurbished Roomba by $20. If you've wanted to try one, now is the time. New models are normally $150-$300. Don't know the Roomba? You simply turn it on and it vacuums your entire house, calculating efficient cleaning paths and avoiding stairs, and when finished, it returns itself to its charger - all hands free. Shipping is free, there's no sales tax (except CA, MA, MD, TN). Be aware that color choice is not an option: you'll get one of the three colors pictured.