iRobot Roomba 44001 Bagless Robotic Vacuum Cleaner for $149.99 Shipped

iRobot Roomba 44001 Bagless Robotic Vacuum Cleaner (Dark Blue/Black) for $149.99 shipped.  Here is a screenshot for reference.  This Roomba features counter-rotating brushes, dirt sensor, spot mode, works on any type of hard-surface floor and low- to medium-pile carpet, and includes two virtual walls, power supply, rechargeable battery, extra filter, and brush cleaning tool.  It usually sells for about $199.