From the samples that I've seen (by using the rar process described on the last page since I'm still downloading), the video quality looks pretty good. There's some print scratches and other flaws, but it gives it a rather nostalgic feel.

A shame you guys weren't able to get ROTJ, since the SE is probably my preferred version of the movie, not to mention it got probably the most crap from the 2004 updates.

And if you can't get ESB to work, it is possible just to upload the Emperor scene or perhaps someone else could from another source. I know someone uploaded it to Darth Editous' thread, but I was too late and missed it.