Top Ten Sources is worth a visit. Here's what they say about themselves...
"Yes, there are over a billion blogs, but don’t you really want to know about the best ones? Top 10 Sources publishes lists of the best ten blogs (or RSS feeds) on a variety of subjects. We show you the best blogs on sports, entertainment, science, people, finance … you name it. And our pages are dynamic, always full of new, fresh content, thanks to RSS technology."