ok so ektachrome is by far my favorite film of all time, but it is $20 a roll, im not interesting in the "film" texture but more so colors. I figured a positive film stock would be easier since there is no conversion... i want to make these presets tailored to my Fuji X-Pro3. I have a 6x9 camera and 35mm camera and I work at a photo lab so i am able to be 100% through this process including developing and scanning what are some thoughts?

(i am already assuming i will need a color chart and there will not be "one" preset but most likely many)