I recently discovered the new Google Reader "Explore" section, just above my subscriptions in the left-hand panel:
Using it like my screenshot above - not expanded - means that when I click on the "Explore" text, I get an endless, combined feed of everything Google Reader thinks I might like (there's actually been some good stuff there too) for the price of one line of text.
This is much handier than viewing a list of feed titles using the old "Browse for stuff" link and having to make a decision to even click on a feed based on the title, author and...