Recent articles in Minyanville.com and FinancialSense.com raise these same consumer-credit/consumer-income issues and challenge the idea that the recovery "this time" will actually be a recovery at all in any meaningful sense, rather than an "L-shaped recovery" i.e. stabilization at a permanently lower per-capita GDP, recovery suppressed by job/income/purchasing-power loss.
Since most of the GDP "growth" of the last fifteen years consisted of pumped-up consumer goods spending financed by overseas borrowing, no one should be surprised to see this happen.