Emphasis mine. Can you cite a source for the above? When I say something like "I'd venture ..." then my "source" is simply my opinion. Nothing more rigorous th

Emphasis mine. Can you cite a source for the above? When I say something like "I'd venture ..." then my "source" is simply my opinion. Nothing more rigorous than that. You get a better display, better battery life, in a smaller form factor that weights less Yes, together that list of items can make for a compelling upgrade. But (IMO!) CPU and GPU performance improvements are less important than the other stuff you mention.