I've got the Google FeedBurner working which allows registered users to get email updates when a new article is posted.
At this screen:
login (after registering of course.)
Once you log in, the sidebar will change and look like this:
After that it's a horribly complicated process where you put in your email address and hit the Subscribe button.
And then anytime I add to the blog, you get an email.
Personally I prefer using RSS feeds and a reader but I know that different people like different ways to keep track of stuff. So for you that prefer the email way, here ya go.