We all know Tyranids are next. But what about the rest of 2014? Here is the latest from the available sources:
Over on BoLS, Lary has stated that GW is saying these three codexes will be released if they can be fit in:
Not sure how GW fits them in! While the velocity of releases is impressive, GW still has to produce models for each release. But there seems to be a rush to get all codexes in the new format. And releasing new stuff is how GW is making money.