Use An Electrical Drill For Smooth Dolly Sliding
If you are doing any video production, one of the first tools you'll probably end up building/buying is a slider/dolly combo.
A slider gives you the ability to smoothly move the camera sideways during a shot and it adds a great deal of value to any video production.
You can use a drill as a dolly motor which will give it a constant and smooth movement.
If you opted with the Kessler, there is a neat trick that lets you to mount all your gear underneath the slider.
I guess I know whats next on my shopping list :)