struggling with Nvidia drivers

Depends on your hardware age, and whether or not you use proprietary drivers. Some distros handle it auto-magically for you so you don't really need to do anything and it just works.

ultra fast GPU access to storage

For the time being, nothing on PC actually requires this, or uses it optionally for any perceived I provment in fidelity. Its super cool tech though, looking forward to this in the future.

HDR

Fair point, it is actively being worked on by a lot of big organizations and developers, so it will get better. Last I checked Window's support of it isn't incredible, but its better than the nothing Linux has at the moment.