You can mod ships, but how about...
Like how about fancier travel or jump gates with better weapons?
A remodel of some of the default in game bases or even new base/planet interiours with a new bar style and the like?
New npc character models?
New (larger?) planets or stars?
The next step, is it possible to mod the sounds yet? It's easy to get tired of hearing the same conversations over and over again. How about a mod pack that adds 20 or so new npc radio chatter quotes? I'm sure there are some talented VA's out there. =P
This is your life, it's all been ordinary. Do you find all you were? Then you find your life is all but something ordinary and you're longing for a home, you're gonna find yourself at home.