It's a Wednesday and today the guys talk about a system preference plug-in for Mac OS X

'RCDefaultApp is a Mac OS X 10.2 or higher preference pane that allows a user to set the default application used for various URL schemes, file extensions, file types, MIME types, and Uniform Type Identifiers '

to find out more info and download a copy goto http://www.rubicode.com/Software/RCDefaultApp/