I mentioned that one of my favorite TechEd 2008 talks was Ben Pearce's talk, "Windows, PowerShell and WMI - Unveiling Microsoft's Best Kept Secret". 

Attached is Ben's presentation.  You can get his demos at the following locations:

http://blogs.technet.com/benp/archive/2008/06/12/tech-ed-2008-demo-1-administering-windows.aspx

http://blogs.technet.com/benp/archive/2008/06/12/tech-ed-2008-demo-2-administering-servers-in-bulk.aspx

http://blogs.technet.com/benp/archive/2008/06/12/tech-ed-2008-demo-3-how-do-i-know-which-classes-to-use.aspx

http://blogs.technet.com/benp/archive/2008/06/12/tech-ed-2008-demo-4-administering-hyper-v.aspx

http://blogs.technet.com/benp/archive/2008/06/12/tech-ed-2008-demo-5-administering-failover-clustering.aspx

Enjoy!

Jeffrey Snover [MSFT]
Windows Management Partner 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