Before I bought the DVD set, the only copy of Star Wars I had, was the SE of ANH, which was taped off a television broadcast. I also had the OT of ANH, which was taped, and cut off from the tape limit right as the battle of Yavin started.

I had only seen the OT of empire and jedi, once beforehand. On rental VHS tapes. They had the interviews in the front.

It wasn't until I bought that DVDs that I saw the SE changes to them.

But in terms of quality, the film looks like it was made yesterday.

And I find that 90% of the changes, I can live with, as they don't affect the plot, or pacing.

it's just that last 10% that are not needed (Jabba in ANH, Greedo, Hayden) and can ruin it for most people.