I have a 39in 4k monitor that I bought for $500. The only problem is that 4k monitors through HDMI can only run at 30Hz, which is extremely noticeable. There might be a way to run at 60Hz but I haven't got it to work yet. Here's the monitor: http://www.amazon.com/Seiki-Digital-SE39UY04-39-Inch-Ultra/d...