Metadata as a filing system on Windows

For Windows users interested in Nick Santilli's recent article, Metadata as a filing system, blogger Todd Slater has a Windows alternative.
Right click on a file in Windows Explorer and choose Properties. In the Summary tab, enter keywords and a description of the file. Then, using a desktop search like Copernic or Windows Desktop search, find files tagged a certain way in these fields. (Surprisingly, Google Desktop Search does NOT index file properties. Weird.) There's no dynamically populated "Smart Folder" function in Windows as far as I know (correct me if I'm wrong, I'd be delighted!) but if the Vista developers aren't smoking crack these days, there will be at some point next year.
Tagging files in Windows XP (and why you'll ditch Google Desktop)