What are you're plans for using HTML5?
I'm doing the research on it as we speak and aside from some W3C and Wiki links, I'm unable to really determine substantial changes.

The API support will be nice, and the scripts restrictions.

I found these links to be quite informative.

http://dev.w3.org/html5/spec/Overview.html#introduction

http://www.alistapart.com/articles/previewofhtml5/

http://en.wikipedia.org/wiki/HTML_5

There's not a whole lot of it that can be used right now, so I'm not going to waste a lot of time with it ... for now. However, to say there are no substantial changes seems incorrect, since we'll FINALLY get some structural-type tags that actually MEAN something!

Funny, as I received this email about your post, I just reached the article on that. No more div limitations!? Thank god.

You can use HTML 5 video and audio tags in Firefox 3.5 right now, then make them degrade to Flash if not available: Using the HTML5 <video> tag with a Flash fallback

That could be quite promising (and threatening to the RIA technologies as well) had it not been for the Big Codec Divide. I gather the debate has been dismissed without being resolved (http://www.webmonkey.com/blog/W3C_Dr...ts_From_HTML_5) - that would considerably jeopardize audio/video playback out of the browser.

I think it will be neat