Here's a video filmed recently at Barcelona's ITForum with Dan Farino and Allen Hurff from MySpace. They discuss their use of Powershell and of course IIS 7!

"The new integreated pipleine...is lean and mean. The ability to take out modules you never use. The ability to use the integrated pipeline without having to go through the ISAPI layer, it's really improving our peformance right out of the box. "

Check it out!