I agree, many others here seem to think differently. And there's not even much missing, a new CPU, a decent GPU for the 15", a couple of TB3 ports. Perhaps they are waiting for Kaby Lake for the TB3.
I agree if they just lunch the same rMBP but with up-to-date processor, graphics, and 1 additional port for USB c I will be the first in line.
Whatever it is at this stage I want one now!