Neato XV-21 Pet & Allergy Robotic Vacuum Cleaner for $299.99. Shipping is $5.00 for a total of $304.99 shipped.  Here is a screenshot for your reference.  It features a pet and allergy filter, pet and allergy brush roll, 9.25" cleaning path, On-board Room Positioning System, and automatically recharges. Most places have it for about $429.