I know one person that regularly uses a computer and who does not use a Mac - one that's it. Granted I'm not exactly Kevin Bacon here, but I do keep in semi-regular contact with a fair number of people.
When is the last time you used a program on Windows that truly blew you away? It seems like there is a storm of new development on the Mac, and they are coming out with all sorts of exciting things - Quicksilver, the various Omni products, Apple's ever improving suite of products, MarsEdit 2.0...
Updated 9/17/07: Ok now I don't know anyone that doesn't have a mac...
