if you by it now you will get deadlock HD for free when it launchs.....

http://blog.us.playstation.com/2013/02/07/update-ratchet-clank-full-frontal-assault-for-ps-vita-coming-this-spring/#utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+PSBlog+%28PlayStation.Blog%29