Greenlight
This is it, the last step: I've put Avorion on Steam Greenlight. If you like the game or liked it so far, you can support it by voting yes on Steam Greenlight:
I would also like to encourage you to leave feedback either here or on the greenlight page as the game is still in very active development.
Trailer
Together with the greenlight release I made a trailer for the game, you can check it out here:
What engine?
Custom built, based on OpenGL.