Pomposity.
Pride.
Loftiness.
Snobbishness.
Haughtiness.
Pretentiousness.
Disdainful.
Supercilious.
Exaggerated self-importance.
Damn, that's a lot of ways to describe people who buy something near the bottom of the range (and still struggle to maintain it) but think that they've made it, LOL.
Jonathan