Haven't seen the pic before, but trying to find it came across this home video:
This is from April 30th 1984 at the NAB National Association of Broadcasters 62nd Annual meeting in Las Vegas.
The Las Vegas Con in 1984 showing off the debut of the EditDroid. A Convergence and George Lucas Films venture.
Part 1: http://www.youtube.com/watch?v=AolyzBMHAJE
Part 2: http://www.youtube.com/watch?v=27hVFq2RB1w
Nothing to enlightening. Although Jedi is shown on the monitor, in the second vid. As this system used LaserDisc's wonder if one of them ever made it's way into the collectible's market?