Every now and then I've been asked how you find out the clockspeed of a Windows machine.
To answer, I wrote^H^H^H^H^H hacked together a little Win32 console application that counts processor ticks over a 1 second delay. The result isn't very accurate, but it does the job on most machines.
If you want to build it, the source is here, and is completely free (in all senses).
For people of a trusting nature, here is a precompiled binary, ready to be run in a DOS/cmd window.