Feedster is a blog/feed search site, along with many other services. They have just started a Top 500 feeds list (neither Chris nor I are listed).
Each month, Feedster brings you a list of 500 of the most interesting and important blogs. Enjoy browsing to see what people are reading, to find feeds that will bring topics of interest to you on a regular basis, and to discover new voices in the Blogosphere.
Check it out at http://top500.feedster.com/