As a long-time Input Mono user, I have to say I've found it to be an extremely well designed typeface for my programming needs. It does not call attention to it

As a long-time Input Mono user, I have to say I've found it to be an extremely well designed typeface for my programming needs. It does not call attention to itself, but does its job of beautifully nonetheless. After a short acclimation period it simply faded into the background. There was never a time that I was disappointed in its rendering on mac, on either retina or regular displays. Would definitely recommend you give Input Mono a try.