I inferred this a little differently In his quote about the iMac* I think the strategy is essentially laid bare that they expect the top end to continue to dri

I inferred this a little differently In his quote about the iMac* I think the strategy is essentially laid bare that they expect the top end to continue to drive appeal by being powerful and cutting edge - letting consumers continue to drive new experiences and productivity with that form factor And the waterfall model will, as such, continue as innovation / component miniturization collapses features downward. Look to the soon arrival of full ar/VR for a "desktop best" example. Eg VR is best via Oculus rift on a high power PC. There are translated experiences via Samsungvr and goog glass but nothing like the experience of say assetto corsa racing or elite dangerous on a 2x980gtx system. Naturally and over time this quality / set will roll downwards to mobile. * iMac: "It's job is to challenge what we think a computer can do and do things that no computer has ever done before, be more and more powerful and capable so that we need a desktop because of its capabilities. Because if all it's doing is competing with the notebook and being thinner and lighter, then it doesn't need to be."