Clive beat me to it again! 

PowerShell uberguru Jeffrey Snover has blogged “Virtual Machine Manager’s PowerShell Support“, a snippet is below:

One of the cornerstone features of System Center Virtual Machine Manager (SCVMM) is PowerShell. They have built their entire GUI layered on top of PowerShell in the same way that Exchange 2007 did. A little while ago, I talked to Rakesh Malhotra (the Group Program Manager for SCVMM) about how things were going and he was very pleased with their bet on PowerShell. He talked about how their task-oriented Cmdlets provided a very user approachable scripting experience….

Check it out.  How cool is that?!