>fast charging controllers
>hall effect joysticks
>physical games can be played without the disk after the initial install. Must insert disk once a week to confirm ownership.
>dolby vision and atmosphere support
>hdmi port bandwidth improved to 48gbps
>disk based backwards compatibility PS1-PS5

These are the things that would make me buy a PS6 and even go as high as $800.

If you have any hardware ideas please share them.