On 27-10-2011 new System Center 2012 Pre-Release Products become available. Great news that System Center 2012 Configuration Manager and System Center 2012 Endpoint Protection are Release Candidate (RC) now!
Have a look on Microsoft TechNet for download information:
Download Microsoft System Center 2012 Pre-Release Products
An overview of new Invidual System Center 2012 products available for download are:
System Center 2012 Endpoint Protection RC is the successor of Forefront Endpoint Protection 2010.
System Center App Controller 2012 Beta (for cloud purposes) is also available for download now.
Expect more news and posts about RC releases soon.