Maybe I'm just unlucky, but I've had consistently bad results with USB->HDMI adapters. From not working at all, to random CPU spikes, to my current situation of

Maybe I'm just unlucky, but I've had consistently bad results with USB->HDMI adapters. From not working at all, to random CPU spikes, to my current situation of the external monitor intermittently flashing blue. This is with both Apple and third-party dongles. the inclusion of HDMI is just a waste of port space This is Apple; they'd have zero ports if they could get away with it. Clearly they've done research and found that it's important to a significant portion of the target market.