html5 is awesome… can’t wait… magic.

http://diveintohtml5.org/

Rethinking Forms in HTML 5
http://net.tutsplus.com/tutorials/html-css-techniques/rethinking-forms-in-html5/

http://htmlfive.appspot.com/

http://html5demos.com/

http://people.mozilla.com/~prouget/demos/

awesome use of canvas and “3D” type stuff:
http://9elements.com/io/?p=153

html5 video
http://www.dailymotion.com/openvideodemo