Take a look at building a Precision Plasma LLC gantry kit and then use CandCNC electronics. Precision Plasma gives you plans for the table and components, and everything you need for the gantry. CandCNC gives you complete motor/control kits that are complete control kits. I'm in the process of building o a table suing them now and they're pretty high quality kits. Plus you get the support of both companies to help you get up and running.