Note: Please merge if there is an ARM thread that is more fitting for my post but I couldn't find one after multiple searches and/or place it in the more relevant forum. Thanks. Here are the two important reasons why ARM will make it to the various other MAC platforms IMHO. 1) Security =- Full spectrum and all inHOUSE 2) Mobile Multi processor for the PRO's Point 1) Security. If Apple want to up continually up the stakes in providing the best security. They are going to have to control as many of the chips in their devices across all their hardware platforms. The more Apple cross pollinate technology such as Touch ID across devices the greater the demand for full spectrum security. No longer will they have to rely on Chips that might have a backdoor left ajar. Point 2) Multi CPU on board. Since ARM is developing fast and very powerfully, but also cool and in tight spots. Is it possible to imagine that to compensate on the power but in larger devices where space is ample compared to the slip of a wafer the iDevices have become, that they may introduce multiple ARM chips in one machine, for e.e.g 13" MBP, Dual A10X ARM.... 15" Quad A11X ARM CPU's and so on. I've got to give great credit to poster who writes blogs about ARM as a chip designer I found two days ago. Whoa! Love it. I'll find the link and replace this paragraph when I get it asap. Though I don't fully understand everything you write I find it deeply interesting. Thank you and you know who you are!