The official Xbox website "accidentally" published "The new Xbox" bookmark on the main menu bar, and almost immediately disappeared, but the people could save it in the screenshots. Thus, for the last time the new consoles characteristics pop up in the network for the last month not the first time, we can expect the official announcement of a new Microsoft product.
In fact, many analysts predict the occurrence of official information about the Xbox and Playstation 4 this spring, just before E3 exhibition.