The newest irobot roomba (TM) 700 series has arrived. iRobot Roomba 780 comes with a new dirst detection series 2 technology which enables the robot to clean the dirtiest as needed by allocating more time in those areas as necessary. It comes with a touchpad and also has an indicator as to when the dust bin needs to be emptied. The robot comes with a price tag of $599.99 in irobot store. Please visit product page at irobot store for more information and to make a purchase.