Amazon’s iRobot just released a pair of budget-friendly robo-vacs to suit modest cleaning tasks, but it’s been a while since the flagship J7+ vacuum got a refresh. Well, the wait is over. The company announced presales for the forthcoming J9+ line of vacuums, and these high-end appliances boast plenty of nifty features for those who absolutely hate manually pushing a vacuum or mop around.The J9+ is available in two versions, which is normally the case with modern Roomba devices. There’s the traditional vacuum-only J9+ and the Roomba Combo J9+ that mops in addition to sucking up dirt. The latter ships with a redesigned fill dock that automatically empties debris and replenishes the robot with mopping liquid, removing yet another manual cleaning step so you can get back to the important work of clearing out that Netflix queue.These robots are more powerful than ever before, with an amped-up motor designed to “tackle dirt, pet fur and debris with unmatched precision.” The four-stage
