Hi,
If you'd be interested in assisting with alpha testing of a screen set being developed for Mach3 V4, please see this notice in the screen sets in progress section:

http://www.machsupport.com/forum/index.php/topic,13417.new.html#new

I can still handle a couple of more testers.... 

Dave

xy works, put other motor on z, nutin.   Mach3 shows z moving.   Had tried a program called calypso and removed it.  reloaded mach3 ?