That sounds interesting. I think your guide would be extra helpful if it focused on building a distro that has as much of the system loaded into memory as possi

That sounds interesting. I think your guide would be extra helpful if it focused on building a distro that has as much of the system loaded into memory as possible to minimize amount of reads from the SD card, and which is configured with a read-only file system and never even tries to write to the SD card. That would be very useful. SD card corruption is a pain!