Managing feed overload

I have only two problems with Google Reader. The first is that it doesn’t support authenticated feeds. Ideally, I’d have liked to have a single reading list that combines my e-mail with newsfeeds. GMail offers RSS feeds of your e-mail. But the feeds require authentication (obviously) and Google Reader doesn’t support that right now. (So I usually don’t read e-mail :-) The second is that it’s tough to manage large feeds. It’s a personal quirk, really. I like to read all entries. If there are 100, I read all 100. If there are 1000, I struggle but read all 1000. I’m too scared to “Mark all read” because there are some sources that I don’t want to miss. ...