Ebay offers iRobot Roomba E6 Vacuum Cleaning Robot E6198 Manufacturer Certified Refurbished (Certified refurbished) for $199.99 (orig. $379.99) with free shipping.

Product Description:
TheRoomba® e6 robot vacuum features a premium 3-Stage Cleaning System thatuses Dual Multi-Surface Rubber Brushes, Power-Lifting suction, and ahigh-efficiency filter to help thoroughly clean every day. TheEdge-Sweeping Brush concentrates on edges and corners as intelligentnavigation and Dirt Detect technologies help the robot get aroundfurniture and focus on areas that need it most.