I've decided to do a coloured one. I did a trial build (all the parts were a different shade of blue due to my stupid printer) to see what order to do things in, and came to the conclusion that you start with the rear bit where the warp nacelles attach. Next is the main body, don't bother with the bulkheads, just remove the glue tabs from one side of the pieces that join. Then start on the bottom half of the saucer section, then attach the side bits that link the top and bottom making sure the thrusters line up, then glue this part to the main body. Then the top of the saucer, I did the outermost part first doing the sensors and small deflector dish, then the windows, then the middle part, and windows, then the bridge. The bridge is hard but what I did was not fold any of the tabs on the circular part of the bridge, just match up the ends. The bridge is the hardest part.
Anyway, here are some pictures of the trial build and the one I'm working on now. The first is the trial, the rest are in progress. Any help on the nacelles would be appreciated.