Amazon has the iRobot Roomba 770 Bagless Vacuum Cleaning Robot for $339.99 (499.99 – 160 coupon) with Free Shipping for a limited time.

Get your floors cleaned for you with this iRobot Roomba 770 vacuum cleaning robot that features a 3-stage cleaning system, Dirt Detect sensors to remove debris from carpets and bare floors, infrared remote, and full bin indicator. On-board scheduling lets you program automatic cleanings.