The Pentax 645z medium format camera will be officially announced on April 14, 2014. In addition to full HD (1920×1080 @ 60i and 30p in H.264), this camera will also have 4k video recording capabilities (3840 x 2160).
According to Pentax Russia, the rumored Pentax full frame DSLR camera will be announced in 2014, and the 645D successor medium format camera will be later.
A Japanese magazine Nippon has posted their predictions for cameras to be released in 2013. The list falls in line with most things we’ve heard, except for the last camera mentioned.