Ain't It Cool News has a spoiler-free interview with Steven Lisberger (creator of Tron) on the making of Tron 2.0 here:
http://www.aint-it-cool-news.com/display.cgi?id=13176
WARNING: There is a (just one) "bad" word in the introduction (the large purple/blue text at the top). I haven't read the "Talk Back" (discussion board) section at the bottom, but "bad" words are pretty much guaranteed down there.
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