I'm looking for a driver or something to give me 2 independent mouse pointers controlled by two mice plugged into one computer.
Think multi-touch type thing without the touch.
Based on the questions/answers at Multi Mouse & Keyboard for Mac (on Apple.SE):
Another similar question is Using two mice in Windows 7 (dual mouse, dual cursor), where the answers included:
Here are two solutions:
Sample code for a solution: Stack Overflow - Multiple mice on OS X
A program to give you two pointers: Dual OS X