I made this move in a round about way. I had an Air but sold it due to not having retina. I got the rMB and loved everything about it except that it felt a little small, and I missed having usb ports. My wife took it over so I decided to just go with the iPad Pro as my main machine. I still love the ipp but I realized that I do prefer a Mac when doing certain things. I wanted to keep my ipp so my budget didn't really allow the purchase of a rMBP. I picked up a 2012 cMBP off of Craigslist for 400 a couple of days ago. I liked the machine a lot but the 1280x800 display was just too much of a contrast from the retina on my 6s plus and ipp to deal with.
Back to Craigslist today and I found a Mid 2013 13 inch base model MBA for 475. Machine is is pristine condition. Very happy to be back with the MBA. I still hate the screen but compared to the cMBP, it's not terrible. Everything else about the MBA is better than any other notebook, both Apple and non.
After initially ditching the Air due to its sub par display, I have decided that even with its display, it is still the best overall notebook in Apple's lineup.
Until they release a rMB in a 13/14 inch size with at least 2 USB C ports, the Air will be my preferred Macbook, 2010 display and all