[RobertKerans]

Echoing sibling comments: camera, camera, camera.

Anecdata as to whether it's really necessary to have a very good camera backed by powerful hard/software -- for me personally, camera quality became my #1 priority after having a baby, & exact same with everyone I know in similar position. But regardless of whether they have family or not, peeps seem to like being able to take good looking photos and videos, and the current manufacturer war over cameras means if you can afford to spend a bit more then the market is fantastic.

Edit: also, acquisition of powerful status symbols via a monthly fee that is only slightly higher than the monthly fee for less powerful status symbols.