Soundwave on 19 April 2016
I think MS like they did with the first XBox is going to bail on this generation cycle. They can't win it.
XBox 2 in fall 2017, full upgrade from XB1, 10 TFLOP processor (14nm) + 16GB HBM2 RAM, 2K-4K resolution support, 4K Blu-Ray, upgradable system, runs full Windows.