I don’t think the documentation will change very much between the Community Technical Preview 2 and the Release.
Technical Documentation Download for the CTP2 release of System Center 2012 Service Pack 1
This page lists the technical documentation downloads that are available for the CTP2 release of System Center 2012 Service Pack 1.
http://www.microsoft.com/en-us/download/details.aspx?id=30134
System Center 2012 Service Pack 1 CTP2
Updates to System Center 2012 for compatibility with Windows Server 2012 Release Candidate including support for Azure VM and capabilities for Hosted Service Providers
http://www.microsoft.com/en-us/download/details.aspx?id=30133