Thanks Steve. The mill is an old Jet that has a "Servo II" cnc retrofit, ball screws x and y and z is on the table. Added a card for the fourth axis. Pretty nice setup for it's age, downside is runs on DOS.
[video=youtube;nGs0KRfJyt8]http://www.youtube.com/watch?v=nGs0KRfJyt8&feature=plcp[/video]