Managing complex Web.Config files between deployment environments

Question

Does anyone know of any good tools/utilities for managing Web.Config files between different build/deployment environments?

For example, I have a WCF pr

Answer 1

Annoyance:

I mentioned my little cmd line app to merge XML docs in my 1st update... Well to do that I just use XmlDocument, and eventually just .Save() it to an FileStream.

Unfortuantely, the nodes aren't really in any particular order, and apparently, .NET requires the element be the 1st child of the document.

I thought all these fancy tools were supposed to make programming life easier?