There wasn't a single peep from Hirakawa - san about future plans, but it's an absolutely obvious line extension for Subaru, since a BRZ coupe / hatch would fulfill not only a practical niche, but an enthusiast dream as well.
There is word today that e-book publisher Smashwords is partnering with Sony to make Smashwords - published titles available on Sony's e-book portal (and, by obviousextension, to Sony's line of e-book readers).