Samsung Series 7 steps up with Ultrabook and revamped Chronos laptop - photo 1Samsung Series 7 steps up with Ultrabook and revamped Chronos laptop - photo 2Samsung Series 7 steps up with Ultrabook and revamped Chronos laptop - photo 3Samsung Series 7 steps up with Ultrabook and revamped Chronos laptop - photo 4Samsung Series 7 steps up with Ultrabook and revamped Chronos laptop - photo 5