The new interface in windows Server 2012 gives you lots of options for navigating. Jeff James has found that some keyboard shortcuts help save you time and give you flexibility.
You can read Jeff's article here: http://www.petri.co.il/keyboard-shortcuts-for-windows-server-2012.htm
What Windows Server features are you interested in learning more about?
Sean Deuby covers other useful keyboard shortcuts in this Windows IT Pro article. Do you use shortcuts in Windows Server 2012? What shortcuts have you found most valuable?