The AT&T U-Verse slows down when using multiple internet devices and trying to view multiple TV's. I had to switch to DirecTV for the TV service. I've had many intermittent connectivity issues (Ethernet connection drops). The modem was replaced & the issue still keeps happening. Based on my negative experience I would not recommend this service.
It took several service calls and customer support calls to resolve the outages. Once that problem was resolved, service has been steady. Internet speeds (up and down) are reliable, and TV quality is very high.