"E.T." has nearly cornered the market on rave reviews, so now it's getting a different kind of press: in L.A., where the film has opened in just one theater, one trade magazine and the two local papers have all run lengthy stories interviewing the people waiting in two-hour lines for the inevitably sold-out shows . . . More on bidding: the bids are in, they meet the $20 million minimum, and negotiations are currently under way for the sale of Francis Ford Coppola's faltering Zoetrope Studios. It's strictly a real estate transaction, emphasized Zoetrope personnel; all the same, it's a real estate transaction that Coppola direly needs to continue working much longer . . . and another embattled property, Douglas Trumbull's "Brainstorm," may yet make its way onto the screen, even if MGM/UA seems reluctant to deal with the film that director Trumbull--with monetary assistance from Lloyd's of London--finished after the death of star Natalie Wood. A few months ago, MGM refused to even view a rough cut, saying it was missing 25 crucial scenes. Last week, though, representatives of Universal, Warner Bros., Paramount and Columbia all reportedly viewed the film in private screenings arranged with the cooperation of Trumbull. The word is that if MGM passes, Paramount may have the inside line on a release deal