I purchased my C1 in late May 2022 so I probably consider myself an early adopter. I was very excited to try out Opal because the specs look great, it looked aesthetically beautiful, and I always want to support a startup (especially one my friend invested in).
Unfortunately, in the ~2 years of using Opal C1, I have officially "given up" on the product. The TL;DR is that when it works, it's great but it is too inconsistent as the Opal software would often crash (sometimes during a Zoom meeting!) or my laptop wouldn't recognize the camera (recent MacBook Air with Apple silicon).
Pros:
• Beautiful hardware
• When it works, quality is great
Cons:
• Software appears to be buggy. Crashes in inopportune moments.
• Does get hot. Not really an issue for me but I do recognize it.
• Inconsistent customer service. When I complained to support about the product, the CS person mentioned that there was a whole new driver I could download. It was not something that I would know just auto-updating the original software driver I had. I literally had to uninstall the old driver and reinstall the new driver. Presumably, this would solve my reliability issues but it didn't.