I have the 10" version of the SW goto dobbie and I love it.
Mine has a great sense of slap stick LOL. When it slews to an object , it stops, you put your eye to the ep, then it give one last big slew and beeps that it's arrived, I get bopped in the forehead at least once each session.
(it can't be my fault that I don't wait for it to tell me it's locked onto the target)