I'm very very interested in such direction.
Right now I'm developping something very near of what you are asking for, you can see a nice representation of my current GTlinks hack here:
http://www.carpidiem.it/...mix&d=1&l=it

unfortunately all my efforts has been built from the old Gossamer Links old libraries and it's not easy at all to convert everything to the new library.

cheers

lepo
Lepo