At work I have two 20.5" monitors hooked to a laptop. The main one is horizontal, while the other is rotated vertically (NVDIA drivers let you do that). I use

At work I have two 20.5" monitors hooked to a laptop. The main one is horizontal, while the other is rotated vertically (NVDIA drivers let you do that). I use the horizontal for everything, while the vertical one is for code and code only. It helps a lot.