Its called Cloverfield and its a giant monster movie from the prespective of one person with a video camera, like IF Godzilla landed in New York and a guy with a video camera recorded the events around him the whole time. The main characters last name is Cloverfield.
Plot Summary: Five young New Yorkers throw their friend a going-away party the night that a monster the size of a skyscraper descends upon the city. Told from the point of view of their video camera, the film is a document of their attempt to survive the most surreal, horrifying event of their lives.
From a web site called Upcoming Releases.