There's no doubt that Microsoft's Project Scorpio will be expensive given its 4K-ready hardware. But just how expensive? Apparently, Geoff Keighley knows. The well-connected gaming persona now has "confidence" that Project Scorpio will sell for $499 -- about twice as much as the regular price of an Xbox One S as of this writing. He allows himself some wiggle room ("unless something changes today"), but there's good reason to believe he's on the mark: He's the host of both E3 Live and the Game Awards, so he's in a position to know.