Keeping an eye on the chimney
You can keep an eye on the chimney that will announce the outcome of voting for a new pope by using the Vatican's chimney-cam. Available in Real or Windows Media, at several different bandwidths, and even the low-bandwidth image (the one you'll want if you're on dial-up) looks pretty sharp. Remember -- black smoke: no pope. White smoke: New pope.
Two votes were taken before noon today (Vatican City time, which is five hours ahead of U.S. Eastern), and at least one more will be taken before the cardinals break for the day.