Brett Rumford of Australia and Norway's Knut Borsheim led after 67s.

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On Sunday, after a private brunch for old-time Berkshire holders, Buffett will lead a sing-along outside of Borsheim's, before he and Munger host a three-hour press conference.

FORBES: From Omaha, Buffett Sees Clear To China

While his well-heeled acolytes peruse Borsheim's diamond clusters, outside in the mall, Buffett has invited some of the nation's bridge, backgammon and Scrabble champions to challenge and entertain his guests.

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Such an icon of capitalism as the 72-year-old Buffett requires an authentic celebration, which includes a reception tonight for 6, 000 at Borsheim's, the second-largest jewelry store in the U.S. next to Tiffany.

FORBES: From Omaha, Buffett Sees Clear To China