>>311073810
I believe you can swap the Index headset out for the Reverb G2 when its out. My friend is planning to do it, but I should imagine it would take a lot of fiddling with steam VR settings to get just right.
Me personally, I'm sticking to the Quest for now and maybe pick up a Reverb G2 next year. Depends on the build quality. The last pro model of HPs Gen 1 mixed reality had build quality issues.