i got a used one off ebay (had a 16gig SE, and cracked the screen twice). got one last year for around $250 - 64g. I'll probably get another one - seen some for around $130 now - just to have it around. I don't intentionally throw it around, but at ~$200... I don't particularly care if it's banged up a bit, and at $130... even less so.

An upgraded SE - just improved camera and memory - would sell. I think it would sell well enough to hurt sales of the higher priced models though, and probably won't happen.

Do they just assume everyone gets bigger after a few years and suddenly want/need bigger devices? SE-size ticks a lot of boxes for a lot of folks size-wise.