I have grown up with both trilogies, however, and see them as equal, and don't really have a problem with the effects work in ANH, ESB, and ROTJ. In fact, for me, the lack of effects in contrast with those in the prequels gives the OT films a much greater feeling of bleakness. This then makes the PT seem like much more of a glorious time. In fact, I don't think it would have worked as well, if Lucas had made them in order. Instead of giving the (what are now) OT films that bleak, simple feeling they now have, he would have made the CG effects greater and greater up until the end of ROTJ. They would have, in my opinion, actually lost the great effect they have on me and others, if they were actually made in order. I mean, think of it, you see these great incredible places in the PT, and then all of a sudden, things look sad and dull, all the color is gone from things. Things are so grey and black and white, and very bland colors. However, if you'll notice, as the OT goes along, things get brighter, more colorful, until we reach Endor, an earth-like planet. Then we see Coruscant agin, and we know things are finally going to be better for everyone. It's brilliant the way they are now, if you ask me. Have you noticed how Lucas chose to open the saga in TPM with the first planet you see being Naboo, and then the very last planet you see in the final film in the saga, Endor, is also earth-like? Interesting.