On the driver front, and linked to the rumours of Red Bull sponsoring Porsche... Autosport are suggesting that there's a potential chance of a certain driver in the Red Bull junior programme that just got passed over for a F1 drive being slotted into one of the Porsche LMP1 cars, that person being Antonio Felix da Costa.
http://www.autosport.com/news/report.php/id/110985