According to latest rumors new EOS-1 Series camera coming on 2014, The test units will be arrive on March 2014 and final product probably will arrive in Q3 or Q4 of 2014.
As we have told you early that Nikon is rumored to announce Nikon D4x in 2014, so Canon is also expected to announce 1D-Xs (name still not confirmed) in 2014.
Also see – Canon, Nikon and Sony Camera Coming on 2014 [Rumor]
src NL.com
I just hope they amp the feature content this time with features borrowed from their latest lower consumer camera models to really justify the high price vs just a Abrams Tank Frame! The 4K+ EOS-1Dc is the only current model headed in the right future direction that starts to get me really excited!