From what I recall, being in this since the beginning (or before), Kirk's tunic was set accurate (kind of avocado instead of gold, depending on the lighting). Spock's tunic was screen "accurate" (blue instead of turquoise). Scotty's tunic was just red (not sure if there was a real difference...
I would be in for a line of detailed ships. I would want them to be all the same scale (in scale with each other), so they can be displayed together. TMP Enterprise would be #1 for me!