Holy Bantha Poodoo! The things that turn up these days. I don't think any editdroid discs have ever come on the market before.
It might be the paused footage glimpsed here in 1984...
http://www.youtube.com/watch?v=27hVFq2RB1w
It's a pressed disc, not one of those rare recordables, so no compatibility issues with consumer LD players.