IBM has published in their technical library the new elements that are going into HTML 5. Here is the link to the article: http://www.ibm.com/developerworks/library/x-html5/
Here are some highlights:
Embedded Media
* Video:<video src=”http://www.cafeaulait.org/birds/sora.mov” />
* Audio: <audio src=”spacemusic.mp3″ autoplay=”autoplay” loop=”20000″ />
New structure elements that clean up all the div tags used today.
* section: A part or chapter in a book, a section in a chapter, or essentially anything that has its own heading in HTML 4
* header: The page header shown on the page; not the same as the head element
* footer: The page footer where the fine print goes; the signature in an e-mail message
* nav: A collection of links to other pages
* article: An independent entry in a blog, magazine, compendium, and so forth