ROTJ's "lack of grandeur" -- what a good way to put it.
My thoughts on this have led me to this: the real problem is the lack of a personal story.
Anyone can tell you ROTJ is the story of Luke facing Vader and getting Vader to redeem himself by defeating the Emperor. But that's not entirely accurate. First, that story doesn't begin until 1/2 hour into the movie after the Jabba stuff. Secondly, it isn't established in any clear way until Luke suddenly takes it on himself to surrender to Vader in a gambit to appeal to Vader's good side.
If only we were in on Luke's story from the beginning, we'd feel a building tension about what he's going to do when he meets Vader again. If only it felt like the appeal to Vader's good side came out of the themes being built in the story-- if only his final pleas to Vader felt like the dying gasp of the true Jedi race.
That would bring grandeur to the story. In trying to create it through editing, it comes down to how we key in on Luke through the movie. How can we get to Luke and Yoda right away? How is that scene handled? That sets the stage for everything. Done right, then even the Jabba sequence should be about Luke preparing to face Vader-- honing his confidence and pulling off his first victory since ANH.
Blah blah. I'm excited about this edit because it seems to have approached all these ideas from a cool angle.
Something about seeing the Death Star out the Emperor's window says "grandeur" to me.