I need to purchase a new Mac computer to start developing iOS apps using Xcode and Swift. It's my first time Mac ever so I'm confused. I know its kinda of portability choice between the 2 models but It's not an issue with me as I'm not travelling a lot nor develop outside home. So my main concern would be the possibility of coding as well as option to make me comfortable with coding. (screen size factor, Retina display, ...etc).
Any advice would be much appreciated!