I hate to be a hater, but having built myriad gaming PCs in my time, this doesn't really seem like much of a step forward. I'm hoping it's just the beginning. I'd love a modular plug-and-play PC parts ecosystem. This doesn't seem like that, yet.
Imagine being able to swap components between their laptops and desktops! That would be pretty cool. Not sure how practically useful, but cool nonetheless.