I've been running my Cetus MK3 with the TinyFab ESP32 CPU (beta) for a couple of months now and can report I am very pleased with its performance. My two main reasons for the upgrade were to use a slicer of my choice and to install a BLTouch, but somewhat to my surprise, my experience is that print quality is besting that of the stock unit
Maybe they will be useful to someone who is undertaking or considering undertaking the same upgrade. I received some assistance from Jack but for the most part I was figuring stuff out myself. My notes cover hardware modifications, issues flashing the firmware, installing a BLTouch and my SuperSlicer settings
The main feature I haven't gotten working yet is WIFI (ironic right?) - in truth I haven't looked into it very far
I'd recommend a modest level of technical expertise if you're going to attempt this upgrade - it's still beta after all. But in my view, the end result has certainly been worth it!
I'd be really interested in hearing from anyone who is also running this CPU: comparing notes, sharing your experience with WIFI, additional hacks or tips, etc. And I'll do my best to answer any questions if I can