Here are some useful links for those interested in building a CNC table whether it be plasma or other.

http://cnczone.com/forums/index.php

http://www.hobbycnc.com/

http://candcnc.com/

http://www.geckodrive.com/

http://www.linuxcnc.org/

And the plasma cutter of choice can be found at www.longevity-inc.com

Dan