I mean, CSS animations are cool, but CSS3 compliance is annoyingly un-standard. but, ignoring all the issues with browsers and their inability to be up-to-date with the late
To all the people who think Javascript is better for browsers that are older, that's not necessarily true. Thinking about Andy Clarke's take on this, it seems like it's easier to tell an elegant story with good, accessible fallbacks using solid semantic markup and CSS3 than it is with Javascript.
http://forabeautifulweb.com/blog/about/its_a_mad_mad_mad_mad_manimation/