Arduino CNC Kit w/ UNO + Shield+ Stepper motors Endstop GRBL in Consumer Electronics, Gadgets & Other Electronics, Other Gadgets
(Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals). 4 x driver. Uses removable Pololu compatible stepper drivers.
By the time you get to the point in a home CNC build where you're adding control electronics you may be ready for the simplest means to an end possible. In that case, grab your Arduino and heat up tha.