SGShooter,
I actually like the idea of a diesel because they're impervious to ignition problems in damp/wet weather, and the danger from fire/ explosion is substantially less. Almost nonexistent actually, because of the higher kindling temperature and lower evaporation rate of diesel fuel. It is smelly though.
I'd like to see somebody build a boat with one of the big Ford Power Stroke V-8's. Done right, it could make a very cool airboat.
BF