Matt Thommes is thinking about "Grouping RSS feeds by priority and frequency." This is an idea I've been playing with for a while, but I've never gotten right because of exactly the problem that Matt discusses in his post.
Betsy Fanning of the AIIM Standards Watch is requesting Best Practices for Email Management through a new community they've set up. They are looking for suggestions as to what the group should discuss. I've got a few thoughts, of course.