If you have ever watched how those "highest" scores are accomplished you wouldn't feel so bad. Let me just give you a small hint, it doesn't involve a typical pc or even a case, and liquid nitrogen is used. I have yet to tweak out my OS as I just installed Home Premium 64 bit, but I hope to do a full test soon.
My first run was done shortly after some heavy processing and I need to put my machine optimisations back in place. Anyway my first run result was P9154, CPU=8750 and GPU=9297
YouTube - 3DMark 06 World Record (Single Card) - Hicookie & T_M
This is an example of how you get that high number your seeing on that site.