Distribution is going through the same routes as ANH (hopefully everyone has v1.1) and ESB.
That is, Pay It Forward is primary. If you received a prior disc from someone else, I suggest you contact them in regards to RotJ.
SegaFlip will have a copy so you can keep an eye on the Newgroup posting thread: http://www.originaltrilogy.com/forum/messageview.cfm?catid=9&threadid=2934&STARTPAGE=19
Finally I dream at night about a torrent release, and maybe now that the set is complete that will happen.
I've contact those who previously got discs direct from me, and I have yet to hear from a couple. If I do not by the time I'm ready to ship I will contact a few others who have already been in touch just to keep the balance.
I'm sorry, I know the PiF system isn't the best, but I don't have the ability to send this to everyone.