The W3C has revealed the HTML5 logo today. I must say it looks pretty darn impressive.
This is what they wrote about the logo:
It stands strong and true, resilient and universal as the markup you write. It shines as bright and as bold as the forward-thinking, dedicated web developers you are. It's the standard's standard, a pennant for progress. And it certainly doesn't use tables for layout.
PO Box 615
Belmont, CA 94002-0615
Read more details about it here.
The W3C also revealed the logo of the different technologies that makes up HTML5.