Looks like Sony is reaping the benefits of strong holiday sales for its range of consoles coming under the PlayStation umbrella. After introducing the PS Vita early in December, the company managed to shift about 500,000 units in its own backyard, while ageing predecessor, the PSP, continued to sell 1.6 million units worldwide. Not to be outdone, the PS3 nearly broached the 4 million mark, bringing Sony closer to its fiscal year-end goal of 15 million
