So I wouldn't be at all surprised to see that not-all-that-far-into-the-future Interplanetary Express will happily eat the resulting fuel costs of shaping their Whipple shields into a fastest-rocket-in-space look and painting racing stripes on them if it makes them stand out to people looking out hab windows, standing in boarding galleries, shipspotters, people looking at their brag sheets, etc., etc.
nyrath