I just watched Jen Simmons give a talk Modern Layouts: Getting Out Of Our Ruts and she had some great examples of how easy CSS shapes are to use, even with safe progressive enhancement. If you haven’t heard of them, essentially it’s a way to wrap content (typically text) around custom SVG-like paths.
As serendipity would have it, here’s Razvan Caliman with a megapost on how it all works and how to use it with real examples.