Update #1 - 31/06/09
Did a sketchup of the case. This was my first time using sketchup. Quite a few of the components I got off the database of models but i made several. The whole thing is precisely to scale (to the millimeter) so i can take measurements etc off it.
Front
Back
Front
Side
Empty Case
WC'ing loop
Components
Hope this gives you a good idea of what it is going to look like!