Vizio 55" Class (54.6" Diag.) 4K Ultra HD XLED Pro Home Theater Display – Model #P55-E1 $799.99

https://www.costco.com/Vizio-55%22-Class-(54.6%22-Diag.)-4K-Ultra-HD-XLED-Pro-Home-Theater-Display.product.100369673.html
COSTCO Members only
Price Valid Through 10/11/17.
Shipping & Handling: $0.00*
Features:
240Hz Effective Refresh Rate & Clear Action 960
Full-array LED Backlight w/ 126 Active LED Zones®
Chromecast Built-in w/ WiFi 802.11ac
Supports Dolby Vision & HDR10
Tuner-free Display