I must say i do love the retro look of these models. A classic blend of 1930s with more "modern" lines from SF movies and illustrations form the 50s, and a touch (especially with the Imperials) of the 80s - you can almost hear the Queen soundtrack whilst you are painting them!
So, Imperials first and it wouldn't be right to paint them in anything other than a classic red and gold detail scheme. These are my favourites form the bunch and I'm thinking of either converting one of the Class III ships into a closer representation of the "Ajax", or perhaps scratch building one (unless some clever soul on Shapeways does one, of course)
Next up the Galacteers. I went for something similar to the "official" scheme, but was looking at a model of Gerry Andreson's "Stingray" at the time I worked out the details and that has obviously had an influence.
Latecomers to the party were the Valkeeri. There is something very aquatic about these, and I may end up with a few more for my planned "Stingray" game (which has been "planned" for about 6 years now). Anyway, I went for something completely different for these, virginal white with shocking pink trim. Ideal to lull their enemies into a false sense of security, as these are no fluffy bunnies in combat! Paint scheme I guess influenced by "Girls und Panzer" - which I think would make an ideal subject for an SFSFW parti game....
Finally, those pesky pirates. A smaller "fleet" this time, as befits their irregular status. They have rather nice, menacing lines. And the red bridge windows help the effect I think
Once I've found the rulebook.
Which is in "the pile".