Today the PowerShell team announced that the latest iteration of their Desired State Configuration Resource Kit has been released. This is an experimental resource that is intended for lab and testing purposes. The latest version is available in the Technet Script Gallery:
Depending on which modules you will be using this resource kit either requires Server 2012 R2/Windows 8.1 with PowerShell 4.0. The xJEA module requires installation of the Windows Management Framework 5.0 Preview.
The original announcement by the PowerShell Team is available here:
PowerShell DSC Resource Kit Wave 5 Arrives