Found this earlier tonight -- I've been pondering whether or not creating some MCML snippets would be helpful. This looks like it might really help speed the process and take out a lot of the tedium of hand creating the XML for snippets.

Snipp Dogg is a snippet editor for use with Visual Studio 2005 and 2008 Intellisense Snippets. This tool allows you to create fully functional and robust snippets to streamline the development process and make code reuse a snap.

Get it from http://code.msdn.microsoft.com/SnippDogg.