Wow! Added. How did you come across the site? (search process notes)
The problem with contacting them, is how do you come across as not a douche.
So now it seems that RotJ is the elusive one.
Here's another ESB betamax bootleg reference:
http://forums.dealmac.com/read.php?1,1946060,1946278,report=1
I've always questioned the validity that Star Wars was titled "A New Hope" since 1977. Somewhere in my stacks, I've got a 1981 Betamax bootleg copy of Empire Strikes Back. I'm going to look for it one day and see what changes were made from the original.