Phil Spencer sees 4K as the "next inflection point".
Not focused on a first-party VR device, says Xbox boss.
Spencer describes new console as "the high-end of our line of Xbox One consoles".
£250 console could be hardware of choice for a 4K Blu-ray player.
Project Scorpio! Xbox One S! Other Stuff! We look back at the announcements from Microsoft's conference.
Includes 4K streaming and UHD Blu-ray support.
Livestream all the action as it happens.
First image of new console leaks ahead of official reveal.