iRobot announced four new series of Roombas on March 11 — and ... washing and drying mopping pads debut under $1,000 (or under $800, in the 405's case). This is the meshing of premium ...

iRobot is also introducing the Roomba Plus 405 Combo Robot + AutoWash Dock. It carries an $800 price tag, though it ditches the swinging mopping pad and loses a few other niceties in the process.