Air's aren't Retina. Mac Books aren't Retina. iMacs aren't Retina. In short, what you have posted is completely wrong.
As for Amazon's ad, it doesn't really matter to me. Apple can deal with it. I'm not going to spend my morning debating it on HN.
The one good thing about it is that Amazon wants to compete strongly for the tablet market. As a consumer of any "faith", this is good because it will create a technology race where we all win.
I guess they've moved these down into the price slot. Retina has only been out since June. It'll probably take another year before everything is Retina.
Another thing to consider is that Apple just introduced AutoLayout in iOS. They will expect developers to have adopted that within a year or so, which will free them from the basic resolution doubling that they've been doing.
As for Amazon's ad, it doesn't really matter to me. Apple can deal with it. I'm not going to spend my morning debating it on HN.
The one good thing about it is that Amazon wants to compete strongly for the tablet market. As a consumer of any "faith", this is good because it will create a technology race where we all win.