Here are some GREAT PowerShell and IIS 7.0 Resources.

For Windows PowerShell documentation, examples and to download Windows PowerShell.

On this webpage search for the Web cast featuring Windows PowerShell Architect Jeffrey Snover and IIS 7.0 Product Unit Manager Bill Staples, which served as the basis for the article.
See: http://channel9.msdn.com/

For useful examples created by the Windows PowerShell team.
See: http://blogs.msdn.com/PowerShell/

To learn more about the visualization tools base on Windows PowerShell
See: http://www.powergadgets.com

For Information about the new Microsoft IIS, version 7.
See: http://www.iis.net