Hee hee! It does have a campaigny feel to it, and this is from someone who doesn't even DO tabletop RPGs.

I always liked the idea of living ships, but I especially like the symbiont idea. The leviathans remind me a little of an upcoming character in my own Doctors! universe, which always makes me extra happy.

Has your girlfriend read the Lando Calrissian Adventures? That trilogy has sentient starships in it!