Why not a lightweight, unobtrusive AR glass that uses the iPhone as the main compute engine and delivers notifications, navigation, speech recognition & translation to the glass in a clear way.
None of this has to be super high-quality or super low-latency, and I’d still pay 500 too buy it.
I don’t care for VR, games or metaverse. Tell me what plant/insect I’m looking at, what’s that star/satellite in the sky, help with measurements. Simple useful stuff that doesn’t need me to wear a supercomputer on my head.