Fred Wilson has a laudation on Blog networks and the Blogging 2.0:

"But more importantly, Blogging 2.0 has developed to the point that the $410 million that The New York Times paid for About.com is going to look really cheap in a few years.

....

If they do it soon, they might be able to pay less than the $410 million that The New York Times paid to get its Blogging 2.0 platform.

If they wait, these businesses are going to sell for a lot more than About.com sold for. Meanwhile, Scott Meyer and his team at About.com are going to reinvent About.com to look like these businesses. It's where the action is in online publishing today."