For anyone interesting in seeing what the latest browsers support in terms of html5 head over to HTML 5 Test and see how your browser ranks up.
If you’re interested to see what current browsers support which new properties, selectors and attributes in CSS3, take a look at this:
I can’t wait to see all these fully supported by all browsers. It will make a lot of things much easier. The new web forms 2.0 is also pretty sweet. Check the link to see more details about the new forms: