Interesting news. Canon will upgrade the C100 with the new dual pixel continuous auto focus from the 70d and preset focus for $500. I wish that would come with a new eye cup as well.
http://www.engadget.com/2013/11/05/canon-cinema-eos-c100-to-get-continuous-autofocusing/
http://www.engadget.com/2013/11/05/canon-cinema-eos-c100-to-get-continuous-autofocusing/