EmpireSB said:

What about the 70mm cut of the film? Is the quality of the film mix the same at the 70 mm? I've read that the 35mm cut was rushed which probably explains why the "Departure of Boba Fett" cue was hacked up. I haven't seen the 70 mm cut of film (with the exception of the Special Edition cuts, which were based on the 70mm cut) and I don't know if copies of the 70mm cut have been officially released.

It is the 70mm cut of the film that was rushed out for the premiere, several effect shots where missing and unfinished, and it had a slightly different editing as well as soundmix with different dialogue in some places.

I don't know if it's true or not, I've not seen the 70mm cut myself but I have also heard that the SE used the 6-track stereo mix as the source for the remix in -97. Can someone who remember, confirm this?

I don't understand what you mean by "if the quality of the film mix is the same on the 70mm?" I presume it was just edited differently to the 70mm version of the film. I actually like the absence of music in the "Departure of Boba Fett" scene in the film. Unfortunately, the 70mm cut has never been made available, but it would be fantastic if a bootleg of it would show up some day as I doubt it will be released officially by Lucasfilm.