iRobot Roomba 790 Vacuum Cleaning Robot for $429.99 Shipped

iRobot Roomba 790 Vacuum Cleaning Robot for $429.99 shipped.  Here is a screenshot for your reference. It features a 3-stage cleaning system and AeroVac bin, dual HEPA filters, on-board scheduling, and includes 3 virtual wall lighthouses, extra brush set, extra filter set, round brush cleaning tool, and flat brush cleaning tool.  Most places have it for about $549.