Made something similar a while ago:

http://sy0t0s.bplaced.net/demo/hero/ - Apple logo

http://sy0t0s.bplaced.net/demo/tubes/ - Nixie tubes

http://sy0t0s.bplaced.net/demo/opera/ - Opera Browser in your browser

I have more, but don't want to spam links. If you want to see more you can crawl through the /demo/ folder on the page. Most of them are experiments with CSS3, javascript and html5.