Surely you'd just retire the Series S when the Series X gets a refresh and then the series X will just become the new S?
RND for only 1 new machine instead of 2.
There's only 2 races: White and 'Political Agenda'
2 Genders: Male and 'Political Agenda'
2 Hairstyles for female characters: Long and 'Political Agenda'
2 Sexualities: Straight and 'Political Agenda'