Here it comes, SP1 Beta is available for Download. Click here to download it from Microsoft Download Center.
Look for availability (release date) of SCCM / ConfigMgr 2012 SP1 and the next release of Windows Intune in early 2013.
More details about “Windows 8” and “Windows Server 2012” support for ConfigMgr 2007 and 2012 in this link. In short, Windows 8 and Windows Server 2012 will be FULLY Supported clients for Configmgr 2012 SP1 and ConfigMgr 2007 SP2 .
More details about enhancements of SP1 through this link.
