Main monitor: 1024*768 <- The one I'm using right now.
Primary Laptop monitor: 1280*720
Secondary Laptop Monitor: 1280*800
TV monitor: 2048*1152
LCD monitor which is DVI and I have no GPUs with DVI ports: 1366*768
Second LCD monitor which is HDMI and I have no GPUs with HDMI ports: 1920*1080
Oculus Rift: 1920*1080.