A Sony sponsored sessions at GDC has appeared on the GDC schedule that could be of general interest. The broad subject header is "Driving the Future of Innovation at Sony Computer Entertainment" and hosting the session are Richard Marks, Senior Director, SCEA R&D (best known for his work on PlayStation Move), Anton Mikhailov, Sr. Software Engineer, SCEA R&D, and Shuhei Yoshida, President, SCE Worldwide Studios. The session is under the "programming track", but it's more generally described as a look at innovation and the future of PlayStation. The inclusion of Yoshida to the line-up suggest some sort of announcement could be on the cards.
The session takes place on Tuesday March 18.