I have run into that problem. about 300 ships appearing at once on the screen is not good for the engine. 
-
@archon, on Dec 1 2007, 10:34 AM, said in Ships sizes:
This topic makes me wonder about the graphics for rEV; how on Earth do you do exit points for 600x600 ships rendered at 45°?
You don't :p. rEV's largest is 400x400, rendered at something like 5°.