iRobot Roomba 3000 Robotic Cleaner

As many others have said the Roomba (model M-388) is fine for a no-effort once-over, within limits. I use it on wood floors. I found it will not transition from floor to area rugs (it will get hung up on the edge of the rug and these rugs do not have a fringe). The vacuum is weak so the brushes are doing most of the work. I use it mostly as an alternative to a dust-mop. I've also found that it gets hung up when it encounters a piece of furniture that has between about 3.5 and 4 inches of clearance (the handle is about half an inch above what the sensors/bumpers "see" so the sensors go under, the handle doesn't and the machine spins its wheels). It is a nice toy and a good concept but could use some more design enhancements.