Hi Rob, well it is still kind of a work in progress.

There is some info on the direction and general ideas in these previous posts:

http://moi3d.com/forum/index.php?webtag=MOI&msg=1944.1
http://moi3d.com/forum/index.php?webtag=MOI&msg=2127.1
http://moi3d.com/forum/index.php?webtag=MOI&msg=2150.5

- Michael