Cool Airship: Yes, of course.  All the best universes have airships.  For cargo transport that’s cheaper albeit slower than vector-control vehicles, and – for early colonies – not nearly so infrastructure-dependent, but more importantly, for passenger transport that while it may not be as fast as a sub-ballistic dart or a flitter routing, is substantially more civilized for a gentleman or lady of leisure; basically, a flying ocean liner held up by a big bag of vacuum.