At this stage I am putting together a proposed layout and filling in some content. I've contacted Joe Walnes to determine if they want to endorse this wikiI should work further to fill this with material and present to the SiteMesh team for endorsement.
SiteMesh is a web-page layout system that abstracts the look and feel from the functionality of a web-application. Just try it! You'll be impressed with how it can simplify things.