Yep it is true now System Center Advisor is free for Microsoft customers. Previously you had to have Software Assurance in order to use the service. Keep in mind that the service is available only for certain number of countries. Read the full announcement here.
Category: System Center Advisor
System Center 2012 Self-Study Guides
If you are looking for self study materials for System Center 2012. Here are 3 link where you can find a lot of links to different materials:
Microsoft Virtual Academy: System Center Advisor
System Center Advisor is a free tool if you are Software Assurance customer. Learn what are the feature and benefits of using System Center Advisor on the videos below provided by MVA:
Cloud Administrator in Azure World 