How to Use PowerShell to Make Changes to IIS

When should someone know when to use PowerShell, which seems like a very blunt instrument that can do anything. Is it one of the more specialized tools like MS build or web deploy? Well, that's a good question because I created this whole solution with just scripting in the beginning. After probably something like 16, 20 hours of using and trying out MS deploy, I came up with an entire command line for packaging all the things we needed.