The quality of VR content greatly varies. I found that SLR Originals, WankzVR and ChechVR have the best scenes and tech.
There's crazy stuff now like locomotion and stereoscopic picture in picture angles.
From the dozen or so scenes that I've tried so far these were the best:
SLR Originals - Blu on the Casting Couch (this has all the crazy new PIP tech)
WankzVR - Uma Jolie - Boober Eats
ChechVR - 279 - Easter Race
If you don't want to be overwhelmed (as your first stereoscopic 3D VR experience probably is 'intense') you can ease into it with a mellow scene like
VirtualTaboo - Knocking On My Sis' Backdoor
Make sure to use the DeoVR video player, it has a ton of settings to tinker around with, such as contrast, playing speed, lighting etc. the head tracking works great and you can sometimes fix scaling issues with it.
It also gives you the option to change the setting to 180/360/stereoscopic etc. to accommodate the type of VR content you're watching.
I tried another player and it didn't have much depth until I discovered the stereoscopic view button of DeoVR