Leigh Whannell’s "Upgrade" is a B movie – a riff on Paul Verhoeven's "Robocop," filled with high-tech-paranoia and nastily rendered revenge dramatics. In other words, it's just what the doctor ordered. In a movie world filled with film releases that try to scream out "me! me! me! me!" Whannell's film feels like a fresh oasis as it sets out to build up a familiar world but with a new fresh set of eyes and an irresistibly dark atmosphere.