i would like to have Aerodynamics in the game i mean there should be difference between flying in space and a atmosphere of a planet.
for taking of there can be some sort of lifting trusters or an anti-g system probably a conbination of both.
So those wings would make sense and for bigger ships you could do that anti-g system but they should be build in space only whit shuttles to land on the surfice.
probably an gravitation model for the planets would be nice so you cant just position a spacestation at 0 velocity above a planet. they would require an orbit.