The easy way to register for e-mail updates is to simply type your e-mail address into the "Follow By Email" box on the right and hit "Submit". If this doesn't work for some reason try the following:
Click the link:
then follow the instructions in the pop up window to enter your e-mail address. You will then receive a confirmation e-mail from "Feedburner Email Subscriptions", open this and click on the link to confirm you want to receive the email updates.