Free or Nofollow
Looks like Google is squashing all directory owners dream. Matt Cutts, who is the head of Google's webspan team put out a blog post about how Google will be going after people who has paid links on their sites or is it that they are going after people who are buying paid links...

Next Wave of Directories
So we have the DMOZ directory which is the big one that everyone tries to submit to and which Google uses. Then we have other directories that are starting up all over the place...

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