Bloglines is an services that allows you to manage and monitor news feeds, blogs, and other web content. Best of all it is free.
It collects the information you want and arranges it on a web page for you to read at your convenience. You select the blogs you enjoy reading and it will monitor them. If you install their notifier you can be automatically notified when your favorite blogs are updated. One nice thing about Bloglines is that they over notifiers for many types of applications like Mozilla and Firefox. For those of you who do not want to install the notifier on your machine, you can use their web notifier. It is a pop up that displays an image notifiying of you new postings.

For those of you who are finding yourself monitoring more and more blogs this is a handy tool.