This is a very simple but I think very usable and functional ion P.c. .
It would be in the shape of a car amp, could even be made out of a car amp, You could find cheap car amps at pawn shops or flea markets and they are usually made of very good quality.

One model would A Marine Ion P.C. that would be air tight and water proof so it could be placed in a boat either at the center console or in the cabin.
This image is just an example of what it a marine amp looks like. This is the most expensive one on the market but I like it being that it has my initials
the other two would look similar but be set up to run in a car and the other on a plane.
The one for the car could be acrylic with lights so it would fit into the look a hooked up car system with plenty of bling. g