Source: New York Times based on Sentier Research Report:
Household Income Trends During the Recession and Economic Recovery
This approach of showing change over time compared to a single baseline reference value often proves to be much more interesting than month-over-month or year-over-year displays.
Before even reading the full article, an underlying story with high explanatory power literally jumps off this chart at you.
You can find further details at: Recession Officially Over, U.S. Incomes Kept Falling. The article introduces some new and helpful metrics such as the average cut in pay at rehire for those who lost jobs. The NYT article also provides some disaggregation of the headline number for different groups (by age, by education, by race) but unfortunately does not provide charts for these.