If you're on broadband, it's worth the 20MB download. The responsiveness is impressive.
If you're on broadband, the site also proves fast enough to stream it (with mplayer) if you're only going to watch it once. (Heads-up to anyone else with only 10MB free, uck!)
That's got to be one of the faster PDF renderings I've ever seen, though I admit I've been using some pretty weak hardware myself. Does Apple do as well with Quartz Extreme?
