These guys (PSLS) point out that this March could be the best month for the Vita in Japan since launch. Much of it was already raised here. Hopefully they are right.
http://www.playstationlifestyle.net/2013/02/27/march-of-the-vita-psv-could-have-best-month-since-launch/
Playstation = The Beast from the East
Sony + Nintendo = WIN! PS3 + PSV + PS4 + Wii U + 3DS