adikumar2010
Journeyman
21:9 is only good for movies,try watching 16:9 content(which is the most available format nowadays) on a 21:9 screen(take some 1080p 16:9 clips on pendrive to showroom) before deciding anything.
Most movies I have are in 21:9 only but I watch movies on large TV never on monitor and I will not be gaming a lot though most games support 21:9 nowadays without stretching from sides.
Mostly I will be playing poker doing multi tabling this way I can fit more tables on the screen side by side. On my 27" 16:9 you can play 6 tables but they kind of overlap each other. I usually play 6-8 tables at one time. That's why I was considering 21:9 and getting 30" or bigger screen.
What I am doing currently is playing 2 tables on laptop 15.6" screen and 4 tables on 27" 16:9 monitor but then I have to look left and right a lot to observe them all at once. Also both have different input keyboards for playing poker that's also problematic. Although there is a software where you can share 1 mouse on 2 different PCs but it's not super smooth.