Essentially with the new motor spindle height, Either is good
Necks and flats are best done with the tool to be ground and motor spindle in the Y axis orientation (in this circumstance)
The CM01P Tower has a more powerful motor and you can leave wheels mounted and trued in place (Popular with tool grinding companies)
The JXT Single wheel more user friendly. (more popular with machine shops)
For a fine finish on Tool necks, a trued in place resin bond wheel is preferred.
Single wheel JXS with Leverslide table
JXT Twin Wheel Tower Flats neck n Stuff
Twin wheel Tower Neck Flat set up with lever slide
Lever Slide Attachment for production grinding of Weldon flats
unmount demo (pretty quick)
Introduction slideshow to the 2020 Journeyman JXS