Motor Controller For This Kind Of Motor?

I was looking at this kind of motor for a future project(its a secret ) and so I want to know what motor controller to use if I buy and use 2. I'm crazy tired so i'm having some trouble sorting this out. sleep........ eek......... blush

Edit: So tired I forgot to ad the link blush. here it is! www.servocity.com/html/60_rpm_precision_gear_motor.html