Yes and it would be to hot to touch if they added a 1060 GPU.
USB type C or thunderbolt 3. For obvious reasons and a big one would an expandable chassis for a desktop GPU. Like what the razer blade stealth does with its Razer core. I do use my Surface Book for work, but it would be nice to dock it at home and start gaming. especially with the windows 10/xbox games universal play coming up.