Saw this on slick deals and I thought i'd share. Not my cup of tea even at $400, but to each their own.
4k @ 30hz though and TN panel.
Great deal on this Ultra HD monitor.
Use Coupon ?WDVNK$9S8XMCX for $45 off.
http://accessories.us.dell.com/sna/productdetail.aspx?c=us&l=en&s=dhs&cs=19&sku=210-ACHO&dgc=SS&cid=277892&lid=5243125&acd=12309201993274934
4k @ 30hz though and TN panel.