I agree that spatial data analysis is fascinating. I still remember the impression that Negroponte's Media Lab presentation on this subject made on me back in the early 80's. Wow! I want that, I said. And now it's available as a $695 product from Keyhole. We're just starting a new revolution here.
Hey -- you didn't leave an email address, but if you want to get involved in brainstorming for our Mapping Hacks book, send me an email.