Best Buy via eBay offers the Neato Robotics Botvac Connected WiFi Self-Charging Robot Vacuum for $379.99 with free shipping. That's $20 under our July mention and the lowest price we've seen. (It's the lowest price we could find today by $119.) It features LaserSmart mapping and navigation system, WiFi control via Neato app, and rechargeable lithium-ion battery.