From a technical standpoint, "2010: The Year We Make Contact" was a groundbreaking film in its time. The movie's visual effects, which included models, miniatures, and CGI, were state-of-the-art for the era. The film's use of practical effects, such as rotating sets and clever camera work, added to the sense of realism.
Several film preservation groups have released remuxes (identical to Blu-ray) or encodes (compressed but visually transparent). Look for releases tagged: 2010 the year we make contact 1984 1080p eng install