As long as we are speculating...
How about an encoder that can be added to the spindle on the PCNC 1100/770 to allow for rigid tapping? That is possible with the PathPilot on (as demonstrated by Turbostep in the thread below for the PCNC1100) and by the SPL15 lathe.
http://www.cnczone.com/forums/tormac...rum-posts.html