Hello,
I discovered a nice Windows 8/8.1 application that you can use to learn SCOM 2012 :
http://apps.microsoft.com/windows/en-us/app/operations-manager-2012-learning/02d49b75-0a9e-44b6-a5e5-284d53cae7ae
You can also find a lot of free Microsoft eBooks there :
http://www.microsoftvirtualacademy.com/LandingPageHandler.ashx?lPage=ebooks&cID=9#syscenter