NeweggFlash offers the Yujin Robot eX500 Robotic Vacuum Cleaner, model no. YCR-M05-A1, for $199.99 with free shipping. That's $100 under our December mention and the lowest total price we've seen. (It's the current best by $55.) It features 15-sensor monitor, 58dB noise level, camera recognition system, and V-type main brush shawl. Deal ends March 30.