[MOSS2007/WSSv3] PowerShell Library - Site definition inventory

For a project we were wondering which site definitions were used in our environment. I created the following script in order to create this inventory. It loops through all web applications, site collections and sub sites and logs the use definition for each site in a log file:

How to use it:

1. Download the PowerShell script
2. Run the script
3. Open the output in Microsoft Excel and use "*" as separator