Yup, we do share the same brain, . Anyway, here are some links :
http://www.bbcamerica.com/anglophenia/2013/08/twelfth-doctor-to-be-unveiled-in-live-bbc-america-special-sunday/

http://www.eonline.com/news/445040/doctor-who-new-time-lord-announcement-immintent

So it could either be Peter Capaldi or Stephen Mangan. I've seen works of both but I think if it's gonna Peter, it's interesting how both he and Karen were both plucked from Fires of Pompeii.