This is more of a tech tree really..and I suppose a good way to give a newbie a boost against an experienced player
Not sure how you'd RP them in a SE4; one of their quirks if they can't bear to live in "flat" (low gravity) space- the more advanced kinds like living next to the event horizon of a black hole.
Doing a race style would be difficult, if only because they are never actually described! Voice only, well, voice one ship and a long-range hologram.
Phoenix-D