I've heard several stories about problems with USB-C to DisplayPort. To be honest it's been one of my main concerns when looking for a new Ultrabook, HDMI (as p

I've heard several stories about problems with USB-C to DisplayPort. To be honest it's been one of my main concerns when looking for a new Ultrabook, HDMI (as practically implemented) mostly doesn't work with 2560x1440 and higher res external displays. Wonder if that's a reason to why they went with USB type A and separate miniDP?