[Q]

Modding ship sizes should be quite easy and as far as I read you can use standard ship pictures and vary their size for new ship classes.
My concern is the ship design: if it works like in starfury, which is what the screenshots indicate, then it could be very time consuming to create the many designs you need in a typical space empires game. And I am not convinced that the directional damage is worth this effort, especially if you cannot control the exact ship movements in strategic combat.