This is a great read. I've always wondered how upgrading crossover components would align with Kanta / Sopra level Focals, not that many would be willing to try but can only imagine the benefits.
New blog post: Living with Focal Speakers
We've had a number of questions come up so I've put all my thoughts in one place:
https://inatinear.blogspot.com/2023/11/buying-and-living-with-focal-speakers.html