IIS7 provides quite a few ways to create websites, applications, and application pools.  You can use the GUI, but what if you need to create 10, 100, or even 10,000 websites?

Read about the fastest way to create IIS7 websites in bulk at http://mvolo.com/blogs/serverside/archive/2007/10/06/Create-IIS7-websites-and-application-pools-fast-with-AppCmd.aspx.