It was a pretty big deal when MGM issued a remastered Letterbox LD in the early 90's. It was the first time the movie had been transferred to video from 65mm elements. Even Criterion's much lauded edition was from 35mm. The Criterion has all the cool extras though.
My minor 2001 obsession compels me to hoard everything from a Japanese CAV version, to the HD-DVD. ;)
Alas, the only theater near me still standing that had 70mm capability, (at least they did in the 90's) isn't where the revival screenings are held.