Heh, the menu bar reminds me of Solaris. Lookin' real good. Are you intending for there to be scripts to update the nav map during flight?
I'd be interesting in seeing the source code.
This is pretty cool. Can it edit briefings too?
Another suggestion: Why not allow the user to rotate it in 3d? That way, he can place the ships on the y-axis using the right mouse button.