Update: Deal over.

iRobot Roomba 640 Robot Vacuum – Link

Today only, Amazon has this on sale for only $229.99 w/ free shipping!

• ADDITIONAL ITEM: Includes 1 Dual Mode Virtual Wall Barrier for more control over where your robot cleans
• 3-Stage Cleaning system and Dual Multi-Surface Brushes pick-up everything from small particles to large debris
• Patented Dirt Detect sensors alert Roomba to work harder on concentrated areas of dirt, such as high traffic areas of your home
• Full suite of sensors intelligently navigate the robot under and around furniture and objects to help thoroughly clean your floors
• Edge-sweeping brush is specially designed at a 27-degree angle to sweep debris away from corners and edges
• Runs for up to 90 minutes before automatically docking and recharging
• Featuring Roomba robot essentials – Smart Navigation, Auto-Adjust Cleaning Head, Works on Carpets and Hard Floors