You haven't seen NetHack until you've seen it on a retina MacBook or iMac. I nearly soiled my trousers the first time I saw "L" coming at me on such a display.
Those displays are nice, but if you are gonna play
The higher frame rate gives you the edge that you'll need on the astral plane. And don't even think about trying it without a fully tweaked, N-key rollover mechanical keyboard! Those E's on the plane of air aren't gonna sit around sipping Earl Gray Tea waiting for your laggy $5 bargain bin membrane 'board!