Following the initial revelation of some details on a new 24-inch 3840 x 2160 "4K" Ultra HD display from Dell yesterday, the company has now officially announced that the display launches today in the Americas with a $1399 price tag. A 32-inch model at the same resolution is also available for $3499, while Dell will be introducing a 28-inch 4K display in early 2014 with breakthrough pricing of under $1000.