THE pre-sale of Henderson Land and Chinachem's 128 units in the Flora Plaza development in Fanling have been swamped by prospective buyers. A total of 251 people registered for the latest batch of apartments in blocks six and seven. A Henderson Land spokesman said the developers would decide whether or not to sell more after official sales begin tomorrow. Prices ranged from $2,850 to $2,890 per square foot. Another 700 apartments have been sold in the 2,700 unit development.