*Sigh* Repeat after me, "There are no Kaby Lake SKUs for iMac or rMBP until 2017", "There are no Kaby Lake SKUs for iMac or rMBP until 2017", "There are no Kaby Lake SKUs for iMac or rMBP until 2017"
All that's available is the ultra-mobile chips at 15w or less. Putting these in an rMBP would make it the slowest MBP for many, many years.
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It's not going to be out of date. 45w Skylake was released in June this year. Only Intel and Razer have 6700HQ machines available. "Out of date" =/= "I don't know what I'm talking about"
I've learned the hard way not to engage in discussion with anyone who has only joined the forums on the same day as they spout utter nonsense, spreading fud, and in essence tr*||ïńg their way through their first day. Applause to you for taking the time to combat these bot-like interlopers

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All recent indications would point to poorly.
And who's to say that Apple might employ their own processors, and then lose interest in a couple of years (like they do with everything), and switch again.
It's Apple Attention Deficit Disorder at work.
I guess I just have to disagree...define a couple of years. Architecture change is a pretty big deal, at the same time, if it is done for a good reason, (i.e. x86 development is actually slowing to a crawl compared ARM development...I'd really like to see how the latest ARM and x86 parts compare watt for watt...what kind of performance could you get out of a 10W ARM part, for example, when you are currently getting performance comparable to a current 15W x86 part from a 4W ARM part.) and they have a 10 year road map, I'd be more than game. Let's be honest, all they really need to do to get 99% of everyone on board and not feeling compatibility nerves would be the Microsoft Office Suite and the full Adobe Creative Cloud suite. That would be a lot easier to secure today than it would have been even just a a year or two ago. You get those two on board at launch and you will get all the rest developing immediately for macOS ARM. Heck, Microsoft would probably be in to make a proper ARM version of Windows, just so they could sell the licenses to Mac users!
I think there is more to IBM coming out with their statements saving millions using Macs, and Apple's strategic partnerships in enterprise - I think they are aiming to switch architectures and do it in a big way, and one that won't rely on Rosetta mark 2 as a bridge, (although they will have a compatibility layer I think will be active for a limited time) rather offering automated alternate binaries through the MAS. Distribute your app through the MAS and you don't have to deal with it, Apple will for you, and people on x86 machines get their version and people on the ARM machines get theirs...
The 2017 iPad Pro line-up will probably out benchmark the current top end MBA in both CPU and GPU performance. Imagine a line-up where you have the MB running the same fusion quad core chip as the iPad Pro, and the MBP running a true full quad core 10W version with a 16 core GPU that outperforms anything up to 45W that Intel could throw at it.
The more I think about it, the more I think it is more than feasible, and only a matter of time until it happens. After having written this, I want one, I hope it happens sooner rather than later!
The ONLY thing that actually gives me pause is I/O compatibility. If getting USB 3.1 gen 2 and TB3 is not an issue, then I would have no reservations.