While the focus has been shifted to 2-room flats, the 4-room is still most popular AS the Housing Board launched its last Build-To-Order (BTO) exercise for the year, offering 1,181 units in Punggol and Choa Chu Kang, applications for its Dew Spring @ Yishun, which draw to a close today, reflect an interesting trend. While just 864 flats are up for grabs at Dew Spring, 2,091 applications had been received...