1. Friendly Robotics RL850 RoboMower 21-Inch Mowing the lawn would probably be the last thing I would want to do over the weekend, but after being introduced to the RoboMower, my opinion about the task has changed quite a bit. Working with it is really enjoyable, because I can let it mow my lawn on its own. 2. WORX WG788 19-Inch I ha