Applying this to more than just games, you could probably make a really good tool for mathematical modeling of physical situations. Speed would be an issue, but it would be a good way to test out ideas quickly.
I remember geeking out to that when it came out! Since reading that I have been playing around with d3 a good deal to try and be able to make some of the stuff he has. I've been slaving away at this for the past few days actually:
http://zacharymaril.com/analytics/
This afternoon, I will put up a better version (this one won't work for you due to some figuration stuff), but this takes in your google analytics data and maps it a bit better than the normal set up.
