The first track from Pronto's forthcoming album "The Cheetah", available Sept 8th, 2009 from Contraphonic Records contraphonic.com. Read up on Pronto at prontosphere.com. They're good chaps.
For those who are curious, this video was pretty much coded from scratch using the Ruby programming language (with just a little Illustrator and QuickTime to tie things together). No animation software was used in its construction.