ASUS announced its latest 4K monitor, and it’s a 28-inch 4K panel that starts at $649. ASUS touts the PB287Q’s color reproduction, saturation, and smooth color gradations. The monitor also boasts a zippy 1ms response and 60Hz refresh rate. Ports include DisplayPort 1.2 and two HDMI ports, the second of which supports MHL, and the...