I guess I don't mind the lightsaber touch-up, though I've always wondered if Obi-Wan's lightsaber was blue or green (despite the blue lightsaber that came with my Obi-Wan action figure). Some moments it seemed blue; at others, it appeared to be green. The only problem with touching up the lightsabers (other than the fact that future generations won't get to see how they evolved over thirty years), is that now I have to definitively regard Obi-Wan's lightsaber as blue. I kind of liked the ambiguity; it was fun.