See this ZDNet article for information on the Hidden GodMode in Windows 7 (also in Vista): Uncovering Windows 7's 'GodMode'

More hidden GodModes here: Many 'GodModes' to be found in Windows 7

Good find!

Wow. It does work in Vista. 190 Objects. You can find that registry key and look at whats in it if you want.

Here's the latest, 39 'God Mode' GUID tricks by Ed Bott

I like this article better because it explains what each one opens.

I subscribe to that too, but I'm behind on my reading!