Yes, Bitmain has already scheduled to ship its 1st Batch of Antminer X3 on 15-31 May 2018. The 2nd Batch will be shipped on 15-31 June 2018. On the 1st shipment, the price of Antminer X3 is 11999 USD while in the 2nd shipment it's a bit lower at 7599 USD, and both can be paid with, BTC, BCH, and LTC. However, these X3's are designed to mine CryptoNight algo and not Ethash, therefore it's not suitable for mining Ethereum.