ViewSonic has begun shipping its new 4K interactive touch display ‘CDE8451-TL’ in the US. Powered by a powerful dual-core ARM processor and running on Android 4.2 OS, this new 84-inch LED-backlight 6-point simultaneous touchscreen display provides 3840 x 2160 4K native resolution, 4000:1 contrast ratio, 350 cd/m2 brightness, 8ms response time and 178/178 degree viewing angles. Not to mention, it also comes with an 8GB of storage and two built-in 15W stereo speakers, and has 2x HDMI, 2x D-Sub and 1x RS-232C connectors. The CDE8451-TL is available now for $18,999.99. [ViewSonic]