Well, I don't know if anyone here is into tabletop wargaming, but this sort of fits the Space Empires theme. I ran across this up and comming game on the net and thought you guys might like to take a look.
I once came across a starship game which was scientifically acurate. It used physics to determine all the rolls, and it was 3d in that it had wooden blocks for raising the ships and holding them at angles.