Best 21:9 korean monitor for gaming

[Jornuts]

Helloz I don't know what screen to choose.
I play a lot of different sort of games.

*note that I have a msi gtx 970 oc and I wil buy a second one for sli if needed for the good graphics
And
I live in korea maybe i could help you buy stuff here in some sort of way if needed

Here is the list:
spicification sheet = scroll down there is a list then click on pcㅓ커(something) --> every spec is there

LG 29um57 - 231$
http://m.danawa.com/...ml?code=3048584

290HD IPS LED - 235$
http://m.danawa.com/...ml?code=2059614

WFHD295 - 175$
http://m.danawa.com/...ml?code=2807964

A) 290m ips led ex - 227$ (think max is 100hz)
http://m.danawa.com/...l?code=2984517#

B) 290m ips led ex - 214$ (think max is 75hz)
http://m.danawa.com/...ml?code=2737669

If there is really no noticible diffrence of course I want the best budget one.

Thanks a lot for the help!! 0_o

 

[Jornuts]

I did some research and of course the one with 100hz is much better