Native Instruments just have announced that they will be launching a limited-time offer for the popular KONTROL S2 all-in-one DJ controller system. They have reduced the price to $399 / 399 € / ¥ 39,800 throughout August 2013. You can order the controller through the Native Instruments website or at participating retailers. Don't wait too long however, as the offer is valid until august 31 2013 (or until stock lasts).