Start reading some of the existing threads on the same topic. The first one is a thread from Oct so it’s up-to-date. The other two are 1+ year old so maybe not fully up-to-date (might have been new product releases after that, e.g. HTC Vive Pro 2).
https://discuss.eroscripts.com/t/whats-the-best-vr-headset/36886
https://discuss.eroscripts.com/t/vr-headset-recommandation/9971
https://discuss.eroscripts.com/t/new-vr-headsets-are-upon-us-which-are-you-getting/4676