…it would be great if you hadn’t have to run around and find those few bloggers who do think like you do. Are there any web services out there which, in some way or another can

1. chose the most important blog posts from a selection of RSS feeds (maybe via links, trackbacks, or keywords/smart content analysis)
2. create intersects of a group of RSS feeds where, for example, a bunch of feeds is checked if there are any posts that reference the same thing and only show those…