BUMP ME ..
(E) http://www.vanjast.com/NavMod/WorldMap.zip (33MB)
...is now avaiable.
This is a large world relief map, that can be edited to what you'd like. It can be used as a wall map on a magnetic backing board, where you can place convoys, subs, etc..
Similar idea to the Western Approaches Control room of WW2, except much smaller.