500 now [ pre order] 1k on release next year-- and no manual control is the best feature when your all by yourself .it locks on to the tracker you wear . it can circle around you -surf photo people are going to luv it - [please wear my tracker i,ll pay 2k/hr] but the big thing is collision avoidance..carnage on the ski fields anyone??? still put one on the roof of your car for events like stop and go or summernats burnouts etc or put a tracker on a hang glider -----????