Preheat oven to 350°. In a bowl, beat cream cheese, butter, sugar and vanilla until smooth. Add eggs, one at a time, mixing well after each addition., Combine 2 cups flour, baking powder and salt; gradually add to butter mixture. Mix remaining flour with cranberries and nuts; fold into batter. Batter will be very thick. Spoon into a greased 10-in. fluted tube pan. , Bake for 65-70 minutes or until cake tests done. Let stand 5 minutes before removing from the pan. Cool on a wire rack. Before serving, dust with confectioners' sugar.