>>385248684
That really depends, visitor of the lovely virtual reality general.
Right now, the cheapest point of entry seems to be the quest 2, but even though there were promises to not need Facebook anymore, so far you still do. Also your data may or may not be Sold to our New Chinese overlords.
The middle of the road option is still the index. Kind if embarrassing, considering it is 3 years old desu. If you go with any other headset, you can easily beat the index in one aspect, but on others it I a downgrade. It all depends on what is more important to you. Resolution? Audio or mic quality? Solid tracking? Field of view?
Note that there Also might maybe be the index 2 on the horizontal. But nobody knows if that is true or not.