Click photo to enlarge This Feb. 15, 2012 photo shows a
Playstation PSVita. In the age of Angry Birds and Words With
Friends dominating people s on-the-go playtime, Sony is making a
push into the world of handheld gaming with a gadget aimed at
loyal gamers and fans of the PlayStation. (AP Photo/Reed Saxon)
The PlayStation Vita could mark the beginning of an era -- or
the end of it. The successor to the PlayStation Portable arrives
at an uncertain time for handhelds. Nintendo's grip on the
market has been slipping, and Apple, of all companies, is
quickly dominating mobile gaming with its iOS devices.  The Vita
could be the last dinosaur before a mass extinction, or it may
be the precursor to a new branch of gaming. It all depends on
how Sony guides its development. The way portable systems are
now with software updates, the initial product won't necessarily
be the same two years from now.  The Vita itself comes with some
impressive specs. It features a gorgeous OLED touch-screen, dual
analog sticks, GPS, came