Here is some information on the Wt building sold in 2007 and now prime rental property in Brooklyn Heights.
http://www.brooklyneagle.com/categories/category.php?id=23669
Monthly rent prices for the studios, one- and two-bedroom apartments range from $2,200 to $5,900 and $7,200 to $15,000 for several “deluxe, larger one-of-kind apartments,”