Of course, motors on their own aren't very useful, the need to be powered and be provided with a control interface which will comunicate with the miling software on a PC. The Motor Controller The control circuitry itself is fairly simple but I decided to go to a pre-built solution that I found on eBay. This way, I do not have to worry as to whether I got the circuit right and would rather spend the time on other components of the project. Here is the link to my detailed post on SebbyLive...

http://www.sebbylive.com/projects/hardware/cnc-mill/hardware-to-control-and-drive-motors.aspx