Controllers for NEMA 8 stepper motors

I am trying to build an XYZ system that i plan to control through a CNC software like Mach3/LimuxCNC.I needed a controller to run this system and had zeroed in on the Gecko 4 axis drive G540.
But recently i found that the gecko drive is not recommended for a Nema 8 motor which is the motor that i have in the stages.

Can you please help me out in finding a NEMA 8 stepper motor controller which should be compatible with MAch3/LinuxCNC? (parallel port interface)
Also will it be a huge problem (motors burning) if i still use the Gecko drive to run the NEMA 8 motors since the minimum power supply for the drive is 0A and i have a variable power supply?

Thanks
Varun