CSS transitions, transforms and animations

The shiny bits of the CSS3 specification have been delighting us over the last year or two. "CSS3 Matrix Animation", "Pure CSS3 AT-AT Walker", "Star Wars opening crawl using only CSS3"; soon, we will have entire CSS3 feature films. But all that glitters is not gold. How far is far enough? How can we work with these new tools to our users' and our own advantage? In this talk, we will explore how these new techniques are important to the modern day web designer, how best to use them and how they can improve everyone's experience.