RIM has just announced that the BlackBerry Video Store, powered by Rovi Entertainment Service, will be available for BlackBerry PlayBook users in Canada as of today.  The BlackBerry Video Store has thousands of movies and TV shows in their catalog, with new releases available for purchase or rent. Customers can watch a trailer before purchasing to make sure you’re getting the movie or TV show you want to watch. They will also be able to start watching without having to wait for the entire file to download. Customers in Canada can download the BlackBerry Video Store from the App World starting today.