There is no place in the country where $250,000 household income isn't a good chunk of change. Even if you live in Manhattan, it still means you can afford a pretty damn decent lifestyle even if it doesn't make you filthy rich. You can always move to Brooklyn where it's a bit cheaper, or Philly, which is the 16th borough or something.
More importantly than that, the tax increases on the $250,00+ set are marginal tax increases which only apply to...money in excess of $250,000. People making, say, $300,000 aren't going to see their tax bill increase by very much.
