The first rotary table we built was a failure but funny, this last week we built a rotary table that met the original goals.
You can view the new video here https://www.youtube.com/watch?v=HfdCuZzjYW8 or checkout the project page here http://www.fablabstudios.com/projects/4-rotary-table
We will be making the source code and wiring diagrams available soon as well.