FeedBurner’s View of the Feed Markethttp://blogs.feedburner.com/feedburner/archives/2007/02/feedburners_view_of_the_feed_m.php#feedburner#feeds#feedville#research#rss#statisticsFeedBurner’s View of the Feed MarketPost on FeedBurner’s site covering a good summary of a lot of their stats right now.