There are two great sources for PowerShell cheat sheets. One is the set of cheat sheets created by powershellmagazine.com which was just updated to cover PowerShell 4.0 and now also includes a sheet for Desired State Configuration (DSC). You can download it from Microsoft:
http://www.microsoft.com/en-us/download/details.aspx?id=42554
And then there are our monthly tip digests, found here:
