Yeah it's even showing the $449 price at the Microsoft store. I think that all but verifies it.
The reason they don't want to announce it is that there's a well known consumer association between low quality and early price drops. From what's being shown in
this article it looks like Microsoft is actually specifically telling retailers to keep the price cut on the down low. The XBone isn't even being mentioned in a number of companies weekly ad spreads. This is gonna be one interesting March NPD.