This looks great from the trailer
Shades of The Matrix and Open Your Eyes/ Vanilla Sky.
"Inception is a 2010 sci-fi action thriller film written, produced and directed by Christopher Nolan. The film stars Leonardo DiCaprio, with a supporting cast that includes Ken Watanabe, Joseph Gordon-Levitt, Marion Cotillard, Ellen Page, Cillian Murphy, Tom Hardy, Tom Berenger, Dileep Rao and Michael Caine. Inception is scheduled to be released in both conventional and IMAX theaters on July 16, 2010."