Having recently watched Star Wars III, including the incredibly boring special features about how they did everything (green screen + cash + Australians), this video "interviewing" George Lucas and pals about how they would do Lord of the Rings is priceless:

Interestingly enough, the most interesting part ... hell, maybe the only interesting part ... of Star Wars I-III, the fight on the volcano planet, had a lot of consulting with Steven Speilberg.