WebKit is Apple's open source evolution of the old Linux Konquerer KHTML browser, and it forms the foundation of Safari on both the desktop and the iPhone (and Google Android, Palm Pre, Nokia tablets, etc.). Their Surfin' Safari blog has just announced CSS animation support, but the better news (via MacRumors), is that iPhone (and iPod touch) Safari already supports both CSS animation and 3D.

Want to check it out? Just hit up this awesome animated falling leaf demo on your iPhone!

Overly provocative headline not withstanding, and while this doesn't address the ubiquity of Flash video, it should go a long way towards enabling more scalable and open interactivity on the web. (Flash sites don't always scale well to small screens, after all).

Okay, I'm a web geek, I admit it, but is anyone else excited? Or do we just fear that it will all-too-quickly be perverted into iPhone optimized punch-the-monkey banner ads?