I just received my new Tormach probe. What a great tool!!! I played a little with it yesterday. I tested many function from mach3 (find center, find vise corner, comp probing, digitize) and everything is working well.
[ame="http://www.youtube.com/watch?v=DDCX48bX_vY"]YouTube - Tormach probing video vise corner[/ame]
[ame="http://www.youtube.com/watch?v=R_D3-Ji3Y5Q"]YouTube - Tormach probing video hole center[/ame]

I'll now try to modify my Mastercam post to output some probing macros.