My niggle is the Enterprise looks a bit computer gamey to me.
Funny you should say that. Compare the Enterprise image on the cover to this image on deviantart
. The image is of a model someone made for the old game Bridge Commander. Looks like exactly the same image with some contrast/colour changes...
EDIT: D'oh, never noticed Tosk
's post! Looks like the port nacelle was cut off as its not quite as detailed as the rest of the ship.