I've been wrestling with this issue, though.
If I'm being honest, I still love RSS feeds, but I'm unhappy with all the implementations.
What I want to be able to do is seed an RSS reader with a set of sites I want to be aware of, and then have it recommend other sites and stories based on what I give it, maybe even pull in random things from time to time. I want to read what I'm interested in, but also to be made aware of things I wouldn't otherwise because of the myopia that kind of comes from a human left to their own devices.
I haven't found anything quite like that. What I have found has either (1) is great at letting me customize it, but then doesn't suggest anything, or (2) suggests crap I'm not interested in at all, or (3) has some other problem, like eating up bandwidth with no way to control it.
It seems like you could take an open-source RSS reader and slap some sort of p2p recommender system on top...