Best 4k monitor or best monitor for gaming / Watching movies

[dlx]

So yeah guys I'm looking for the best monitor for gaming and watching movies on my pc.. I really want it to be 4k since i just bought 2 Msi Gtx 980 4g so i can get decent fps at 4k. I was thinking about Acer XB280HK Maybe??? what do you people think and what do you guys recommend ?

 

[Santac]

http://www.eizoglobal.com/products/coloredge/cg318-4k/