I only use PC VR and already have 2 of their previous headsets so I just can't feel the cutting edge of it for my usecase..
What 2 headsets have you had previously? Aside from the Rift Civ1?
You lack vision, it is not hardware upgradeable.
What do you even mean by this? What hardware upgrades do you want? give me examples of other electronic devices that are hardware upgradeable.