Well, it depends on your purpose of using the monitor. If you are planning to buy the monitor for watching movies and games then widescreen format at 16:9 aspect ratio would be good enough. There are lots and lots of variations and the selection of one depends on your personal preferences. You can also choose ultra-wide aspect ratios like 21:9, 32:9, and others. Or, you can encompass yourself with some stylish, curved monitor.