Try https://lovr.org/ for a really quick and painless way to quickly create a VR app.

"You can write 3 lines of Lua and drag and drop a folder onto an exe to get a working VR scene."

Yep, the Simula One was made specifically with "coding in VR" in mind.

Do you have an HTC Vive or Valve Index? If so, you can try out coding in VR via Simula's compositor right now: https://github.com/SimulaVR/Simula

This won't be as crisp or as portable as the Simula One, but should give you a taste for what it's like.

You already can with a Quest 2 in ImmersedVR. I’ve been doing it daily for two years.

I find Quest 2 to be a bit too bulky and low res. But I’m sure once Meta releases Cambria I’ll have that thing strapped to my face 24/7!