Garland,
I want to see GPS / Robotic mowers tested on someone course other than ours first. Have you ever seen the damage a greens mower reel will cause to a collar when it is off just a little bit doing a clean up pass mowing? These mowers wouldrequire human proramming to cut on exact mowing lines, fairways lines, approach lines and tee tops without overcutting into the other grasses creating a bad conditioning look.
I love this idea but, it would cost a ton and we would have to place sensors all over the place on the golf courses to make it even work. GPS, Electric, Robotic - I love the concept I just think it will be a long time off before it becomes accepted and received by the masses.