I think that also wouldn't solve the issue, what needs to be handled better is the difference between high volume feeds and low volume feeds.
I absolutely want to see every post of my friend's blog that has a post every few months. What I don't care about is to get every single MacRumors post with the latest gossip because that would make up about 15 items / day. I've seen some of the hosted solutions going into that direction but there doesn't seem to be a self-hosted or app doing that yet.