See our first post here on the code.google.com blog: http://google-code-updates.blogspot.com/2009/04/html5-and-webkit-pave-way-for-mobile.html We plan to post regularly to this blog with details on how we worked with HTML-5, including details on new features, browser quirks, etc.
In my opinion it's great that mobile browsers are starting to do their part to make the web truly available to people on the go. Now if only carriers in Canada would provide reasonably priced data plans so people could actually take advantage of this. Ugh.