I bought the blu-ray set of Tron/Tron Legacy.
I watched Legacy at the cinema. Loved it. Bought the soundtrack and listened it repeatedly until I was sick of it. Then watched Tron on Friday night and Legacy on Saturday night. The fact that I knew the soundtrack reinforced the film for me. I think Legacy made more sense after watching Tron - I last saw it when I was a kid and barely recalled the lightcycle bit, so to rewatch it allowed continuation of the plot line.
Personally, I would want to watch it on a large HD screen with a blu-ray source, but that's me.
Trying to look at it objectively, the visuals are awesome, the soundtrack is awesome but the characters and storyline isn't fully fleshed out. I reckon they could have made it so much better.
Tron/Legacy will always have a cult following.
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