''The great horror movie without any horror in it'' is production designer Richard Sylbert's apt description of Roman Polanski's creepily suggestive gothic about a pregnant Manhattan bride (Mia Farrow) who suspects that everyone her callow husband (John Cassavetes), her nosy neighbor (Ruth Gordon, bulldozing her way to an Oscar), even her obstetrician is colluding to ensure that her child-to-be is touched by the devil. Using New York's famed apartment house the Dakota for all its cavernous shadowiness, and exploiting the 23-year-old Farrow's tremulous space-child vulnerability to underscore her terror and solitude, Polanski worked with an elegant restraint that less talented filmmakers have been trying to mimic ever since. The polished repackaging Rosemary's Baby: Collector's Edition includes interviews with Polanski, Sylbert, and producer Robert Evans as well as the trippy on-set featurette ''Mia and Roman.'' A-

