Ethan Zuckerman at Global Voices Online has posted v 2.0 of his excellent guide on anonymous blogging:

I posted, some weeks back, the first draft of a technical guide to anonymous blogging. I’ve gotten great feedback from folks all over the world and have just posted a second draft of the guide on the Global Voices wiki, inviting collaborators to help me improve it. If you’re interested in the suject of anonymous blogging, please visit the guide and lend a hand in improving it.