Heresy! :) I'm a purist. Weston Masters and Sekonic Studios.
"to a good video monitor at its darkest black and brightest white. How many f-stops difference? Compare this to a print, or even to a projected transparancy. Transparencies may be as good or better, but they will fade with age."
Not Kodachromes. They have archival dyes. Remember, they're not like chromogenic films.