Geckodrive announced the GM215 stepper motor drive
 

Geckodrive recently announced that their GM215 stepper motor driver is now available for about $250 U.S. If has a lot of features that are not needed on a CNC machine, but it has "sub microstepping" which sub-divides each of the 2,000 steps in a typical Geckodrive stepper driver into 32 more divisions, which, according to their blog, makes stepper motors like servo motors, particularly when running at lower speeds (such as 3-D cutting).

Its power specifications are very similar to the popular G-203v that many of you are using.

(I have no experience with the new driver, so all I'm doing is relaying general information.)

Maybe....interesting !!
Thks for this update news :)