It's Brad on YouTube had a discussion with another VR tech nerd, and their conclusion was that 60ppd was retina clarity and 40ppd was the minimal to get work done. Ymmv.

I think the corporate varjo is the only one that fits the bill right now, but it's so big, I'm hoping 2025-2027 we'll have the mini OLED to have the quality and form factor needed to replace monitors