According to latest rumors canon new 46 Megapixel monster will arrive with newly designed sensor for better image quality and dynamic range (even better than Nikon D800), name is still not final, expected to be announced on PhotoPlus in New York.
New Lenses like EF 200-400 f/4L IS 1.4x and two f/4 telephoto lenses (EF 300 f/4L IS II and the EF 400 f/4L IS) are rumored to be announced in January 2013.