SCCM Configmgr 2012 SP1 is out now and available only for MSDN and TechNet subscribers for now.For General Availability,we may have to wait for couple of days or so.
Johan updated the Hydration Kit to automate the installation of SCCM 2012 SP1 with One Domain Controller and Configmr 2012 SP1 Member server with all the required prerequisites.
It took 3 hours of time to complete the setup on Johan Laptop.Installation time may vary on the resources what you have on your computer.
For more information about Hydration Kit and download details http://www.deploymentresearch.com/Research/tabid/62/EntryId/82/The-Hydration-Kit-for-ConfigMgr-2012-SP1-with-Windows-Server-2012-SQL-Server-2012-is-available-for-download.aspx