In what feels like a box-office weekend from "The Twilight Zone," a low-budget and critically acclaimed movie with no stars and an unknown director managed to top the charts. “District 9,” the alien action pic produced by Peter Jackson and directed by the 29-year-old Neill Blomkamp who shot the film in Johannesburg, South Africa, of all places — crushed the competition by grossing $37 million, according to early estimates. Audiences clearly enjoyed what they saw too: “District 9” has already soared to No
