If we didn't already know those cats were mad about customizable controllers, we just got a reminder: the Mad Catz Major League Gaming Pro-Circuit Controllers. These professional-grade PS3 and Xbox 360 controllers allow competitive gamers to adjust the gamepad's weight and swap out key components -- such as exchanging the controller's analog stick for a D-pad. Want your PS3 controller to have a Xbox 360 layout? No problem. If the insane kitty'
