OS X look on Windows XP
Please do not link directly to the file, instead use the Permalink so that I may track exactly how many downloads there are. Thanks

After an hour or so of bored hacking at explorer.exe resources (and cracking a few dll's, sssh) I've created a pseudo complete theme for Windows XP.

You can see the results Here

If you would like to do this to your system, you can snag the file from Here.

PLEASE READ THE INCLUDED README FILE

I am not responsible if you screw up your system for ever and always. Make sure to back up all the files before you replace them.

For a truly OS X type feel, I recommend MobyDock (with a few tweaks to the config file, of course).