BlogLines.com

http://www.bloglines.com

Bloglines.com is a site where you can view and manage your RSS blog feeds in one central online location. You can search for different blogs, get recomendations based on your blogs, save individual posts to a clippings file and even create your own blog there and save other people's blog posts to it easily. If you're a blogger, you can get a bloglines subscribe button and if you're a browser, you can easily get a bookmarklet to easily subscribe to any blog you come across.