The Twitter Followholic: An Epidemic
The article itself is kind of fluff, but some of the tools he mentions might be interesting down the line, though my goal is to keep my "who I follow" count on Twitter to under 100 so my follow count should never be seriously unmanageable. I also keep a list of why I follow them because I was getting sick of seeing Tweets from people and not remembering why I originally thought they were cool enough to spy on.