Saw one on display today and it looked pretty dang sweet, and it was $500 cheaper than it's normal price.
http://www.costco.com/Hisense-55"-Class-4K-Smart-LED-Ultra-HDTV-55T880UW-.product.100087504.html
http://www.costco.com/Hisense-55"-Class-4K-Smart-LED-Ultra-HDTV-55T880UW-.product.100087504.html