I had a chance to try out the Soloshot2 robotic camera man recently. I can't believe how far technology has come. It's only for outdoor use at this time but an indoor add-on is apparently in the works. Here's my review of it.

http://youtu.be/jjqlAgj9srA

Rather scary how good it can be when calibrated properly. And that will only continue to get better in leaps and bounds.