Current idea is to revamp the meshes of Zephyr and Thanatos a bit, polishing and retexturing them while probably changing the Argus fully and the Deimos to a point where it keeps the main shape but gets proper geometry but stays roughly the same and will still be recognizeable as such.
Me and others had the idea of giving them a somewhat sturdier look with extra armor platings and such (how that'll turn out I am not too sure yet) and to get rid of the outside tubes of say the Zephyr because they really don't make much sense and the way they're currently they don't really look good imo.