First of all if self promotion / advertisement is not allowed please remove this post. Or if I get too much backlash due to this being my first game etc I will remove it :) …
While I am not very excited about Rift support itself, this opens the door for PSVR support on Linux. And that is probably the most affordable solution right now…
I personally got a used HTC Vive Pro relatively cheaply a few months ago and can confirm that (on Manjaro with a AMD GPU) it is quite usable. A few nice games sadly have issues, but most work just as expected…
I have good experiences with this for games that are a bit troublesome to run on regular Proton…