ReadWriteWeb runs 2007 : The Year in RSS post. Nice read. Among other things it has this little tip:
For some crazy reason the world is full of people who still feel morally obligated to read every single item in their feed reader. These people, probably the majority of RSS users in fact, complain that RSS is becoming a big source of information overload. (Hint: it’s ok! Just read what you can and don’t worry about the rest!)