Slowly, ever so slowly, OLED displays are entering the PC monitor market. LG was one of the first to arrive — which makes sense, since it’s the largest maker of OLED TVs — but has so far mostly stuck to the professional graphics portion of the market. And it remains there with the latest OLED monitor, though it’s going a little smaller and slightly more affordable. The newest OLED Ultrafine display is 27 inches and (wait for it) $2,000. Amazingly, that’s still $1,000 cheaper than LG’s previous 27-inch OLED. The Ultrafine 27EQ850 (spotted by KitGuru) shares a lot of hardware with the more expen…