Here's why Apple doesn't have a MacBook Air with a Retina display
 

Another Apple event has come and gone, and there's still no MacBook Air with a Retina display. I won't blame you if you're frustrated -- now that there's a 5K iMac, the Air is Cupertino's last screen-packing computer to ship without an...

http://www.engadget.com/2014/10/17/w...=rss_truncated