I was thinking of buying a clear s controller case and was wondering if I can swap out the parts from a Mad Catz controller, wasn't sure if it would fit. Anyone know?

Probably won't, the third party controlers have a larger pcb.

actually madcatz tend to run smaller, but the buttons wont line up at all... original s-controllers for those shells only..

thx, kinda figured that, right now i have no original s-controllers to check