I find the Command Line Kung Fu Blog (http://blog.commandlinekungfu.com/ http://blog.commandlinekungfu.com/) really informative for demonstrating the utility of

I find the Command Line Kung Fu Blog (http://blog.commandlinekungfu.com/ http://blog.commandlinekungfu.com/) really informative for demonstrating the utility of Powershell. Basically, every entry is a problem someone has submitted, and they post a solution using the Unix Shell, the Windows Command Prompt, and Powershell (Powershell entries have been given for about the past year or so).