I'm currently in the market for a slider, preferably with a motorized option. Does anyone have any field experience with the Trolley system from Camera Turret? On paper it looks like the perfect system to me. Extendable track in 3' sections, with motorized head options too. It just seems suspiciously cheap to me, and I can't find any real reviews of it.
Link: http://cameraturret.com/troley system.htm