It's very very easy to lose perspective on a work like this (I know, having been involved in similarly long-term projects), particularly when you've been doing it for a very long time, to the extent that it's going to be impossible to get everything just perfect first time round. IMO the very best thing you can do is get this project out the door as quickly as possible so that everyone can see it and cast a critical eye over it, then LEAVE IT ALONE for at least a couple of months. Play golf, snort crack, do anything but Star Wars, totally take your mind off the complete project, then come back and tweak the bits that need to be tweaked with a fresh, clear pair of eyes.
It's very very easy to lose perspective on a work like this (I know, having been involved in similarly long-term projects), particularly when you've been doing it for a very long time, to the extent that it's going to be impossible to get everything just perfect first time round. IMO the very best thing you can do is get this project out the door as quickly as possible so that everyone can see it and cast a critical eye over it, then LEAVE IT ALONE for at least a couple of months. Play golf, snort crack, do anything but Star Wars, totally take your mind off the complete project, then come back and tweak the bits that need to be tweaked with a fresh, clear pair of eyes.