You would have started this about the time I joined as a member, and then forgot to come back as I got busy with work. And I'm just reading it now. And it's a truly amazing read.
This is a fantastic read from beginning to end. More than 2 hours of material. And worth it. It reads as a great tutorial on how to build a display. Quite satisfying even as a spectator, to see the whole process, and all the tips and tricks along the way. Your throne room is as big as my two display cabinets on their sides. Very impressive. It's also great to see how all the trials and tribulations work, just as making the whole scene for the movie would have played out during construction. And the use of a painted/printed backdrop as well... totally fitting to all the scenery painting used in the films. Take a bow sir. Bravo.
I got the old Sideshow Jabba from a friend who was getting out of the hobby, and my display is just the figures posed standing around Jabba. I can't even put the throne or Han's carbonite display into the cabinet as the shelved sections aren't tall enough. Your thread gives me too many ideas haha.
It also makes me want to get after a few old Star Wars project figures, either customs or just upgrading the old Hasbro bodies to ones that would pose better.
Your display stand is made in such a way that it would work well as the Rancor's chamber below the throne room. I hope you're able to find that statue at a good price someday, and put it below as an additional display. That would be awesome.