>>271907382
It's got better screens and lenses too, plus the video isn't being compressed and sent over USB. That compression adds latency and kills quality around the edges of the screen, it's effectively like having fixed foveated rendering on.
It's also supposedly more comfortable.
>>271907710
You can use it standalone, it has hardware IPD adjustment, and it's getting hand tracking sooner. There are caveats to pretty much every other supposed advantage, but being able to use it standalone is a pretty big one if that matters to you.