http://www.t-gaap.com/2015/3/11/where-does-the-macbook-air-go-now Hmm...let's see...the MBA was introduced in January 2008. The MacBook wasn't discontinued until July 2011 (and February 2012 for educational sales). The fact is with the introduction of the MBA Apple created a 3rd category in their product grid: consumer, pro and ultraportable. Apple introduces an ultraportable which eventually becomes the consumer product. The same thing will happen here. Eventually the rMBP will become thinner and lighter and replace the MBA for those who need lots of ports and more processing power. The rMB will come down in price and replace the Air as Apple's entry level consumer device. The lineup may seem confusing now but there are obvious reasons the Air is sticking around. My guess is within 2 years it will be slowly phased out. And the 'Air' designation would no longer be necessary once the rMBP gets thinner and lighter because it most likely won't be that much heavier than the rMB. So you end up with Macbook for consumers and MacBook Pro for professionals.