As you're probably aware the Internet has been performing a bit awfully over the past day, heck it even made it impossible to download email from my ISP, which Tech Support confirmed.
Steven Bink's Windows page has a good deal of information about this so go check it out if you're interested in the details. The main thing to learn from this it seems is that Server admins still have not learned to apply updates (available since mid last year), which would have negated this worms affect. Thanks as well to SNGX1275 whom I see has posted a related story in our forums before I posted this one.