The IRS said taxpayers who have questions should look for the explanation of how the refund was calculated and compare that to their 2000 tax form.

CNN: IRS erred on some tax refund letters; vows checks will be correct

After you decide how to best allocate those extra funds, you'll also want to figure out if your refund is a sign that you're withholding too much in taxes from each paycheck.

WSJ: Spend That Tax Refund Wisely

The firm claims that glass and processor supply trouble at the relevant factories triggered delays, which in turn led to Google Wallet shutting down its account after customers complained regarding unfulfilled orders -- it couldn't complete or even refund purchases, no matter how much it wanted to.

ENGADGET: Matrix One pins troubles on part delays and Google Wallet freeze, says refunds coming

The survey found the highest levels of stress (73%) among those who (no surprise) do not anticipate getting a refund, and are probably worried about how much they will have to pay, and where they will find the money.

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