Bestbuy offers iRobot - Roomba 960 Wi-Fi Connected Robot Vacuum - Gray for $299.99 (orig. $499.99) with free shipping.

Product Description:
The Roomba® 960 robot vacuum seamlessly navigates room to room to cleanan entire level of your home, recharging and resuming until the job isdone. Roomba® 960 loosens, lifts, and suctions dirt with up to 5x moreair power and requires less maintenance. Just press CLEAN or scheduleRoomba® on the go with the iRobot® HOME App. It even learns yourcleaning habits and offers up personalized schedules, giving you oneless thing to think about.

Thanks Maggie