I thought font rendering was the biggest let down in switching to 4k. AA not only is still required on my 27" 4k display, but in terms of clarity AA fonts are

I thought font rendering was the biggest let down in switching to 4k. AA not only is still required on my 27" 4k display, but in terms of clarity AA fonts are still MARKEDLY inferior to fonts which are optimized for non-AA rasterization (like Terminus).