Is it still too early for predictions?
I may be wrong about pricing.
Thunderbolt 2 is not ready until next year.
13" rMBP - all .71 inch, PCIe SSD, 802.11ac
both will have the option to select the 2.8Ghz i7 - 4558U Iris 5100 for $150
both will have the option to select higher capacity SSD for the price of a leg
$1399
2.4Ghz i5 4258U - Iris 5100 - 8GB RAM - 128GB
$1599
2.6Ghz i5 4288U - Iris 5100 - 8GB RAM - 256GB
15" rMPB - all PCIe SSD, 802.11ac, all quad core
both will have the option to select the 2.4Ghz i7 4950HQ for $200
both will have the option to select higher capacity SSD for the price of an arm
$2099
2.0Ghz i7 4750HQ - Iris Pro 5200 - 8GB RAM - 256GB
$2599
2.3Ghz i7 4850HQ - Iris Pro 5200 - 16GB RAM - 512GB
I am also willing to say that the 15" will come with dGPU. Most likely the 750M card or the equivalent Radeon. I just do not see Apple dropping dGPU. Remember these are PRO machines, and these babies will need to drive the retina display plus potentially 2 extra monitors(dual TB ports remember plus this whole 4K thing) and while Iris 5200 is quite capable, it is just not there yet.
I am pretty satisfied with the actual released rMBP. I was not expecting the $200 price drop and I am glad they kept a dGPU option. I was so close with my guesses, but pricing threw me off. I also was too hopeful for an i7 option on the 13". I am glad Apple did this upgrade right, it has made the waiting time worth it!