• Michael Waldorf, who works for one of the very few hedge funds that will actually record gains for 2008—he's a senior vice president at John Paulson's Paulson & Co.—has closed on an apartment at Riverhouse (left), the new development in Battery Park City. Waldorf and his wife, Julie, paid $6.175 million for a 28th floor apartment in the building also known as 1 River Terrace. [Cityfile]
• Fashion designer Domenico Vacca has dropped the price of his condo at the Museum Tower. Vacca and his wife paid $6.15 million for the unit in February and first listed the apartment for $9.5 million this summer. It's now been reduced to $8.9 million. [WSJ]
• Sheikh Abdul Aziz al-Thani of Qatar has listed his three-bedroom apartment at Trump Park Avenue for $14 million. Al-Thani paid $6.1 million for the 3,300-square-foot condo in 2005. [WSJ]