there was some discussion a while back about motors and controllers for, if
I remember right, battlebots. I have tested and two rather nice LEESON 60
amp controllers - these would be good for that kind of application, as well
as for servo or other motor control from battery power

here's the link
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=3873887854

--
Bill


also check out http://www.wbnoble.com