You can now pre-order Xbox One X (Scorpio), which will be release on November 7, 2017. Total cost with taxes + free shipping is $542.49.
https://www.amazon.com/gp/product/B01GW8VG7O/ref=ox_sc_act_title_1?smid=ATVPDKIKX0DER&psc=1
https://www.bestbuy.com/site/micros...ion-1tb-console-black/5919711.p?skuId=5919711
https://www.amazon.com/gp/product/B01GW8VG7O/ref=ox_sc_act_title_1?smid=ATVPDKIKX0DER&psc=1
https://www.bestbuy.com/site/micros...ion-1tb-console-black/5919711.p?skuId=5919711