Where's my robot lawn mower? Roomba-maker now has an answer
A Roomba for your Lawn!!! Gardena Auto Robotic Mower - YouTube
LawnMaster L10 Robotic Lawnmower - Fully Automatic Robot Mower with Auto Charging Docking Station - 20V MAX 2.0Ah Lithium-Ion Battery - For Lawns up to 400m², 18cm Cut Width & 20-60mm Cutting
Segway's first robotic lawn mower uses GPS to stay on course