Consider the game officially changed. With all your favorite Windows 8 apps able to be run on and synced to your Xbox One, now your phone, desktop, tablet and TV can all give you a unified web and entertainment experience.
I will buy Xbone, if it has a open Windows8 and let me play steam games.
at 9 you're f*cked
at 8 you're a sucker
at 7 a motherf*cker
That said, it wouldn't surprise me if the core of each app is largely similar across Windows 8 platforms, and can be easily developed by anyone who already develops Windows 8 apps.
It would instantly have more indies than any other next gen console. I doubt it's true, and I doubt if it were MS would allow Dell to be the ones to leak it.
He then proceeded to tease developers by encouraging them to develop Windows 8 apps in order to build Xbox One apps. "If you want to know about how to get a head start about thinking about developing for Xbox One, the logical thing to do is go build Windows 8 applications," said Guggenheimer.