tsuuhou

dave has this nice article/howto on making your json ajax requests more secure (prior to jquery 1.3.3)

here is an (old) fix on how to trick ie into parsing html5 documents

it really is quite neat – only it does not work when you have javascript disabled, but agian who does that ?

smashing magazine have this really good beginners guide to html5

it also contains a potload of related article links at the bottom of the article where you can learn a lot more