What's the nuts for VR headsets now-a-days?
The Quest 2, BUT with a couple of caveats.
The comfort and portability and convenience of the Quest 2 can't be beat. It's wireless and self-contained, so you don't need to deal with a cable connecting you to a console or a computer. It is essentially a console all on its own; you download games directly to the headset and they're stored there, run from there, and display on there. It's super-friendly, super-easy, super-convenient and super-fun!
BUT
Its graphics engine is not as powerful as the cards you'd find in a high-end gaming PC or even the Playstation, which means that games ported to the Quest have to make some visual compromises in order to run. IMHO the graphics quality is still excellent, but if you were to compare them side-by-side with the PC version you'd be able to tell the difference.
BUT
Even worse is that some games developed for PC simply aren't available at all for the Quest! Some of the games I most wanted to play aren't available. But these were strategy games, which is a pretty small niche, so the developers just didn't have the budget to port and downscale the games from PC to Quest. Most of the really popular games will be available for the Quest, but if there's something in particular that you have your heart set on you should check to see if it's supported natively on the Quest before you commit.
BUT
Even for games that are PC only, you can still use your Quest! It has technology called "AirLink" which lets you run a VR game on your PC but display it via WiFi on your Quest! So suddenly those high-end games with high-end graphics are available to you once again, still on your Quest, still wirelessly!
... but I can't vouch for how well this works myself, because my gaming rig is still running Win7 and AirLink isn't supported on an OS that old.
Good luck, have fun, hope this helped.