As sister site Kotaku Japan pointed out, the PS Vita sold 321,407 units in its first two days on sale. Sony shipped over 700,000 units, meaning that around 46 percent of the initial shipment was sold. [Kotaku Japan]
More from Kotaku
The 3DS sold 371,326 in its first two days (that's 50,000 more than the Vita), and that was considered a flop...