for sure. It is all a guessing game. One can argue that Apple must put something in that market (Pro notebooks) to get an edge in holiday buying season. But can be technical or production delays....
Putting me in guessing mode, I would say first semester 2014....But I can be proved wrong...
I think apple releases new macbook pro 13 inch in retina and non retina. But with the 15 inch model it will only be a retina model. Discontinuing the 15 inch non-retina