Well, I've just acquired a 2003-edition Luke ROTJ saber (with an EL rather than LED blade), and so thought I'd post a photo of it as well as some quick notes. As others have commented, it is far greener in person than it looks in a photograph - it really does appear green with no hint of blue, though it certainly is a lighter lime green rather than the strong deep green that's seen in the film. The hilt itself is very light and manoeuvrable, lighter than any of the other hilts in my collection. It could be that it only feels lighter, of course, since it's a very simple, streamlined hilt and so is easy to hold and wield, but it certainly seems lighter in the hand. The sound is actually very good, far better than the Anakin AOTC sabers I've seen and heard - it's very similar in pattern to the Mace Windu, only much louder - it's slightly louder than the Vader ANH, I'd say, though not as loud as the Anakin ROTS.
Anyway, here is a photograph - sorry the green doesn't really come through, but if you're thinking of getting one don't let that put you off - it really is green, and not the aqua blue that photographs generally show.