I am happy with my x1 controlling a Yamaha receiver, Visio TV and Nvidia Shield all working great. I do wish the remote had numbers to enter channels but have short cut keys for my favorite channels as a compromise.
The one issue I keep having is the remote hanging when starting an activity or just not responding to any button presses in an activity until I either unplug the hub and let it reboot or start the phone app . Sometimes this will happen multiple times in an evening other times will go a whole week with no issue.
Is this issue being worked on?