Witch monitor should I get?

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1

I was looking at a Achieva Shimian but I am also interested in 21:9 monitors. My 2 choices for the 21:9 monitors were a aoc q296Pm for ~350 € and a Lg 25UM65-P for ~250€. The Shimian is ~300€ .

Witch monitor should I get?

http://www.ebay.de/itm/Achieva-Shimian-QH2700-IPSMS-Edge-27-2560x1440-AH-IPS-LED-HDMI-DVI-D-PC-Monitor-/130935942187?pt=DE_Elektronik_Computer_Computer_Monitore_Flachbildschirme&hash=item1e7c63ec2b

http://www.cyberport.at/?DEEP=6105-34W&APID=66&STOREID=-1

http://geizhals.at/aoc-q2963pm-a910899.html

2

oh I forgot to mention there is 4k monitor from samsung model nr. is Samsung U28D590 apparently it has a tn panel but with a 10 bit color output that color should be pretty good even with a tn panel. 1ms reactiontime. Its a one of the korean monitors but hey its 4k 60hz over dp.

http://www.ebay.de/itm/Samsung-U28D590-UHD-Monitor-mit-3840-x-2160-Pixel-und-10bit-Farbtiefe-4K-28-/111287556088?pt=DE_Elektronik_Computer_Computer_Monitore_Flachbildschirme&hash=item19e94157f8