I have a pair of stepping motors and drivers. I would like to control movement of the steppers with a simple joystick. Does anyone know where I can find such a thing? Motor & driver info:

I have a pair of DCM8028 motor driver and a pair of 28H47-2.1-910 motor Series 28000, size 11, captive 1.8 deg, 4 lead, .000125" perstep from Haydon Switch & Instrument.

http://www.hsi-inc.com/drivers.php