Having become frustrated with my previous mouse, and hence more than happy to blame my inherent lack of ability on it's low optical sample rate, I dived into a game of UT2003 with the new mouse installed, expecting great things. Unfortunately I found that even with a state of the art optical sensor, I still sucked at UT2003. However, I managed to achieve something that I hadn't done with my old mouse. I got an "Ultra Kill" (5 successive kills) whereas the most I could muster previously was a dreary old "double kill", so there's hope for me yet!