Valleywag: How the Internet's top bloggers achieved blog nirvana
From Valleywag:
"I'm proud to present a heatmap locating popular blogs (and a few major web sites) among the four spheres of audience reaction: Affirmation, indignation, titillation, and stimulation."
Comment: Very concise presentation of the blogosphere, even if you don't agree with the exact placement of the blogs...