A PowerShell User (BS) has started a new blog with a very nice,pithy set of examples showing the range of capabilities of PowerShell Functions.  Think of this as the Cliff Notes for PowerShell Functions.  Check it out at: http://mybsinfo.blogspot.com/2007/01/beginning-and-end-process-to.html

Cheers.

Jeffrey Snover [MSFT]
Windows PowerShell/MMC Architect
Visit the Windows PowerShell Team blog at:    http://blogs.msdn.com/PowerShell
Visit the Windows PowerShell ScriptCenter at:  http://www.microsoft.com/technet/scriptcenter/hubs/msh.mspx