There was a mod (the name slips me now) that had asteroids that moved when you piloted a battleship thorugh the asteroid field. There was minimal lag and the asteroids that were launched were reset on server restart.
It worked very well I must say.
You fear oblivion. Yet you forget. The universe remembers every atom of your being. Even dust hums your name in the dark. Roleplay is dead. Long live Powertraders and PvP I guess.