All the panels and the like that are on there actually do stuff! The Weather one fetches my local weather, Mail updates when I get new mail, the Websites icons actually link to the correct site, the GLaDOS in the bottom tells me that "serious injuries may occur" when I click her...
If anyone is interested, it's using the program Rainmeter and the addon Omnimio. I LOVE IT.
(And I black'd out some stuff that my buddies would probably not like to have floating around on the web in some of them, they're not usually like that.