The MCSA: Windows 8 and MCSA: Windows Server 2012 have now been updated as per the post on born to learn at:
http://borntolearn.mslearn.net/btl/b/weblog/archive/2014/01/09/mcsa-windows-8-and-mcsa-windows-server-2012-exams-to-be-updated-january-28-2014.aspx
Some of the new features are fantastic such as storage tiering and PowerShell Desired State Configuration.
MCSA: Windows 8 and MCSA: Windows Server 2012 Updated