Found this article
circa 2000 from New York Magazine re: the "budgets" (in this case, spending habits) of a handful of New Yorkers at various income levels:
http://nymag.com/nymetro/news/bizfinance/finance/features/3620/Pre-dot com bubble, pre-real estate bubble, pre-great recession -- I thought it was a fascinating read. An example of "look at how far we've come" yet "some things never change".