I know a lot of people would be behind this to get the "Terran Empire" skin on their ships like NX or Defiant-class.
That may not be what you mean, though, I don't know...
I'm beginning to think the current 'two seasons a year' set-up needs to be rethought. It just seems to cause incomplete and bug-infested 'seasons' to be pushed out just to meet an artificial summer/winter deadline when many players would be fine getting one 'season' a year if it meant that it would be a really good one...
Or even existing materials. How about type 6 and fleet skin for ships that do not have them. I really want to be able to buy fleet skin for my scimitar and odyssey star ships. If not a purchasable z-store option, how about using a fleet module to purchase fleet skin from a fleet star base vendor.
Another thing I've been wanting for a long time now is the ability to use materials that come with a shield without having to use the shield. I think certain shields look really nice, like the aegis shield and the nukara shield. Really wish they would make the ship editor like the character editor where it unlocks in the ship editor as you obtain the items.
Maybe add a fleet ship material unlock to the fleet ship tailor so as to give it a purpose. And maybe add all of the sets with visual as deflector and material options in tailors that can be unlocked through the rep and fleet systems.