The February CTP for SQL2K8 included first class support for PowerShell. Many people have ask how they can get started with PowerShell – not just using PowerShell to interact with SQL Server but just using PowerShell in general. PowerShell was a wealth of powerful features built-in. Here are a few PowerShell resources to get you started. In short, it’s time to throw out those VBS scripts and move to the powerful world of PowerShell. After all, they it wouldn’t have "power" in the name if it wasn’t "powerful"!
Getting Started Guide: http://msdn2.microsoft.com/en-us/library/aa973757.aspx
Channel 9 PowerShell Wiki: https://channel9.msdn.com/wiki/default.aspx/Channel9.WindowsPowerShellWiki
On Demand Web Cast (Windows PowerShell and Manageability Improvements in Windows Server 2008): http://technet.microsoft.com/en-us/bb899729.aspx