the real question is whether or not we'll be able to read those SmartMedia cards in the decades to come. While file formats may be a bit more flexible, if you don't have a card reader toshiba no longer makes how will you get a look at those files? granted, if you find a roll of kodachrome today your options are somewhat limited, but prints will always be prints.
on the flip-side of the coin, one wonders whether those shots up on facebook will ever go away! part of me hopes so, but part of me would mourn the loss of what is the digital equivalent of the photo album