Thanks for the compliments! Glad you liked it. :-)
At this point I'm planning to use the NTSC versions for all three films, but if ROTJ really looks better with SR, I'll reconsider.
I'm planning to make it bluray compatible, and if there's a demand for it, I will also create a DVD-9.
The rendering takes a little longer, but all good things come to those who wait... :-P