Buffett Nelson-laughs the banks, says there's plenty of money around for the rest of us.

Meanwhile, opacity hurts non-financial companies, too. "It's not just banks," Samuel A. DiPiazza Jr., the global chief executive of PricewaterhouseCoopers, said this week, speaking of the challenge facing auditors in determining the market value of financial assets for which there is no real market.

I think "Level 3" should become a pop culture term.