Really? 16GB combined with the PCIe swap really does seem like it would meet the definition of "adequate" for 95% of users.
My fear is that this means Apple believes Skylake is delayed, since they'll presumably want to do another release early during that cycle.
For the iMac, yes, but apparently not for the Macbook Pros. See:
http://store.apple.com/us/buy-mac/macbook-pro?product=MJLT2L...