“District 9,” which hits theaters on Friday, strikes cinematic pay dirt by taking the standard science-fiction chestnut of “mankind’s first contact with aliens” and turning it on its ear. Rising from the ashes of the proposed movie adaptation of the “Halo” video game, “D-9″ director and co-writer Neill Blomkamp manages to pull off a significant feat. He actually delivers on the hype built up by a over a year’s worth of viral marketing and the patronage of producer Peter Jackson.
