The 400 that get converted to freighters will eventually replace the 200 freighters. The ones that go into the pax fleet will be additional. As for the 340-300 and the 600, who knows? They will need all the aircraft to be able to achieve their expansion plans. Cant see the 600 going if they are going to make NY none stop a go. Mind you the 600 is going to be scratching it to make NY none stop and make money.