iRobot has announced its most advanced cleaning device yet, the Roomba Combo 10 Max + AutoWash Dock. The newly designed 2-in-1 floor cleaner sits at the top end of iRobot’s lineup, with an MSRP of $1399. The Roomba Combo 10 Max builds on innovations introduced in the J7+ and J9+ series Roombas. This news story is part of TechHive’s in-depth coverage of the best robot vacuums. The robot uses a four-stage cleaning system, dual rubber roller brushes, and a pressurized scrubbing motion to effectively remove dirt, pet fur, and debris from both carpeted and hard-surface floors. Its unique auto-retra…