Nerds Switching from Apple to Ubuntu?

Nerds Switching from Apple to Ubuntu?
The recent switch of two lifelong Mac nerds to Ubuntu hasn't escaped Tim O'Reilly's radar. He cites Jason Kottke: 'If I were Apple, I'd be worried about this. Two lifelong Mac fans are switching away from Macs to PCs running Ubuntu Linux: first it was Mark Pilgrim and now Cory Doctorow. Nerds are a small demographic, but they can also be the canary in the coal mine with stuff like this.