SVG Wow!
Erik Dahlström and Vincent Hardy have put together a cool website, called SVG Wow!, that showcases SVG doing things you didn’t expect SVG can do:
There are alot of unique demos on there.
One of my favorites uses SVG, HTML5 Audio, Web Fonts, and YUI to play music accompanied by flying animated lyrics (Chrome and Safari only):
There are lots of other great samples for you to play with and study!