Well, what about that shot of entering Mos Eisley? I don't mean the extended intro, but the shot that shows them on the speeder.

The original looks very cheap. R2 looks like he could fall of at any moment.

The 1997 looks better, but C-3PO's arms are is awfully straight.

http://i.imgur.com/3DJD01x.jpg

The 2004/2011 version is the best. Apart from C-3PO's left arm looking straight.

http://i.imgur.com/FR3KccQ.jpg

Most people think that Episode V is the best Special Edition. The new Tampa scenes, and the new Imperial scenes are well needed. The CGI Dianoga in ANH was a good one. The clunk sound added when the Stormtrooper hits his head was just great. I never noticed that a trooper hit his head before (with or without the sound). My old piano teacher pointed it out to me.