Mike - interesting that you are the first poster (can't remember reading about another) that is using a mag lev application. While not familiar with your particular shelf I did find this one surfing around - can't seem to find anyone here thats using it - can you comment on if its similar to yours?
http://www.gr-research.com/levitator.htm
Tx Ron
http://www.gr-research.com/levitator.htm
Tx Ron