Adobe will open its Create Now Live streamed event on December 11, a week later than originally planned, but will apparently announce a Retina display-compatible version of Photoshop CS6 among other events during the webinar. In a promotional video that has surfaced on YouTube, the updated version is shown running on a Retina display MacBook Pro, and features some close-ups on buttons and other items that betray Retina-quality graphics. Other features are highlighted in the video as well….