Amazon France recently opened a page for Ratchet & Clank HD Collection on the Playstation 3. Sony is listed as the publisher for the remastered compilation with the release date (in Europe at least) being May 16, 2012.
http://www.examiner.com/video-game-news-in-national/retailer-lists-ratchet-clank-hd-collection-with-possible-release-date