As part of a course on "phyloinformatics" that I'm about to teach I've been making some visualisations of classifications. Here's one I've put together using jQuery Mobile and the Encyclopedia of Life API. It's pretty limited, but is a simple way to explore EOL using three different classifications. You can view this live at http://iphylo.org/~rpage/phyloinformatics/eoliphone/ (looks best on an iPad or iPhone). Once I've tidied it up I'll put the code online. Meantime here's a quick demo: