FeedBlendr lets you combine a bunch of feeds into one.
Enter the URLs of any RSS, Atom or RDF feeds (news, blog, podcast or any other type) you'd like to blend into a single feed below.
FeedBlendr will grab all the feeds you enter and blend them up into a nice, thick, 'river of news' smoothie. You'll get a URL where you can subscribe to everything all at once. What Are Feeds?