Wow thanks for sharing your passion and the lengths you will go to get a cultivar, Ty! A bit of an inspiration for me.
I've just read several pages that refer to the orange flesh of the Filipino Lakatan variety, so that indicates a tick for point 6.
https://steemit.com/food/@shellany/g...ippine-bananas
Go Bananas with These 12 Varieties Worth Seeking Out in the Philippines
Even an academic abstract referred to Lakatan having orange flesh:
https://www.ncbi.nlm.nih.gov/pubmed/17209469
I'm sure there must be people on here who have solid lived experience of growing and eating Lakatan.