If there will be a new race in a game someday, I think it will be Orokin and i'm very exited about it. It's the only race mentioned in the game that we've never really "met". We can only see what was left. I imagine them as a "creators".
Old but highly advanced civilizacion that made averything we know now.
Maybe some godlike creatures traveling across the galaxy spreading life?
Origin my friends, origin.
I want to know it.