Today, Security (from the suite of Virtual Labs)
Step into the Security Virtual Lab for Free
It's simple! No complex setup or installation is required to try out the security features of products and security tools running in the full-featured TechNet Virtual Lab. You get a downloadable manual and a 90-minute block of time for each module. You can sign up for additional 90-minute blocks anytime. As part of the TechNet Virtual Lab, you will have full access to security features and tools through the following modules:
PingBack from http://onlinesecurityblog.com/security/2007/06/21/learning-online-with-virtual-labs-security/
Andrew Coates has a whole list of Online Virtual Labs on his blog (from the MSDN Suite of Virtual Labs
Back in June and July, I did a series of posts about the great Virtual Labs that are available for you