Remember that I keep telling you that web 3.0 is going to be defined by machine-generated content and intelligent software agents. The machines will interpret content for us as well as providing it.
AideRSS is a web 3.0 application which does exactly that. The service filter the RSS noise by scoring each post by the number of comments it received, number of times it's been tagged in del.icio.us, inbound links from a number of blog search engines, etc. For example, here's the AideRSS version of what the blogosphere is saying about web 3.0.
Try your own topics and see if the filtering improves your productivity.
Welcome to web 3.0!