The Tech Report published a review on the Asus' RT-AC88U router & RP-AC68U repeatered
A quote from the article:
Asus sent us some of its best wireless networking gear to help us boost internet coverage at the annual TR BBQ. Join us as we put our own spin on Wi-Fi testing and push the limits of these devices.Asus' RT-AC88U router & RP-AC68U repeater reviewed @ The Tech Report