I actually have yet to watch the film with the 70mm recreation, so in my mind it doesn't quite have accompanying imagery yet. I have only heard it played on my computer via optical cable to the receiver. I plan to watch all three films in 5.1 once the dark_jedi encodes are available, which will be the first time I have seen any of them in several months. It's been long enough now that I'm quite looking forward to it (I had to take a break from anything related to Star Wars for a while because I was getting overloaded by it, lol).

"Here they come”!

The door hissing sound! Now does this version have no hissing sound as the stormtroopers lift the door up manually. On the PAL laserdisc the door doesn’t make any hissing sound because the controls have been blastered on the opposite side.

I've never owned a laserdisc player, least of all in PAL format, but the hissing sound of the rising door can clearly be heard in the 70mm in-theatre recording, and consequently in the 1993 mix, as well as this recreation. I also checked the 35mm stereo and mono mixes and the 1985 home video version and all contain this sound effect, so I'm not sure what this is referring to.