If you're looking for something to do this weekend, Microsoft Learning is offering free Security E-Learning Courses online. You can read more about it here:
Microsoft Security E-Learning
Our free Microsoft® Security E-Learning Clinics follow the same content outline as our Security Webcasts, but deliver that information via a learner-centered format that offers unique user benefits.
If you're looking for a way to get up to speed on security issues, this is really good stuff. It's definitely worth a look.