As the RTM release of PowerShell will becomes available soon, here’s some resource information links you may want to take into consideration.
Download the Windows Management Framework 3.0 RTM: http://www.microsoft.com/en-us/download/details.aspx?id=34595
Windows PowerShell 3.0 and Server Manager Quick Reference Guides: http://www.microsoft.com/en-us/download/details.aspx?id=30002
Management and Tools for Windows Server 2012: http://technet.microsoft.com/en-us/library/hh801900
New V3 Language Features: http://blogs.msdn.com/b/powershell/archive/2012/06/14/new-v3-language-features.aspx
Intellisense in Windows PowerShell ISE 3.0: http://blogs.msdn.com/b/powershell/archive/2012/06/13/intellisense-in-windows-powershell-ise-3-0.aspx
Basic installation guide for Windows PowerShell Web Access: http://blogs.msdn.com/b/powershell/archive/2012/06/27/windows-powershell-web-access-basic-installation-guide.aspx
High Level Architecture of Windows PowerShell Workflow (Part 1): http://blogs.msdn.com/b/powershell/archive/2012/06/15/high-level-architecture-of-windows-powershell-workflow-part-1.aspx
High Level Architecture of Windows PowerShell Workflow (Part 2): http://blogs.msdn.com/b/powershell/archive/2012/06/19/high-level-architecture-of-windows-powershell-workflow-part-2.aspx
Managing Storage with Windows PowerShell on Windows Server 2012: http://blogs.msdn.com/b/san/archive/2012/07/03/managing-storage-with-windows-powershell-on-windows-server-2012.aspx
Getting Started with Windows Azure PowerShell: http://msdn.microsoft.com/en-us/library/windowsazure/jj156055.aspx
And, most important of all, check the TechEd North America 2012 “PowerShell” videos: http://channel9.msdn.com/Events/TechEd/NorthAmerica/2012?sort=sequential&direction=desc&term=PowerShell
This should get you started. So, what’s preventing you to learn PowerShell? Start now.