Check out their press conference at DPReview
http://www.dpreview.com/news/1002/10022102sonypressconference.asp
"Imamura unveils a mock-up of a compact, interchangable lens camera which will be made this year, It will be based around a new Exmor APS HD CMOS sensor. 'The sensor is much bigger than in compact camera and larger still than the sensors in Four Thirds cameras to give full DSLR image quality'"
http://www.dpreview.com/news/1002/10022102sonypressconference.asp
"Imamura unveils a mock-up of a compact, interchangable lens camera which will be made this year, It will be based around a new Exmor APS HD CMOS sensor. 'The sensor is much bigger than in compact camera and larger still than the sensors in Four Thirds cameras to give full DSLR image quality'"