Back in the dark ages, a few months ago, I used to look for blogs with the Blogger Next Blog Button. You rarely found anything interesting as it is so random that you had to rely on karma to find a good blog. But it was a fun way to while away the odd hour. Then I found Google Blog Search, Blogcatalog, Entrecard, and DoFollo, all much better at helping me find blogs I might like and want to leave comments on. Blogcatalog and Entrecard have their own little groups of Power Users who appear to be everywhere on those…