We’re spoiled for high-quality, highly expensive 4K gaming monitors. Every year, QD-OLED screens get a teensy bit better, but there are fewer elements that can set them apart from previous generations. Lenovo’s Legion Pro 27UD-10 is no exception, but that hasn’t stopped it from becoming my favorite gaming monitor I’ve feasted my eyes on all year. What attracted me to Lenovo’s $800 27-inch, 240Hz Q...