More concrete evidence to proof that the official name of Sony’s NGP is Playstation VITA. A development website from Sony for the VITA has been unveiled.
The domain name “vita.scedev.net” is a valid one, and two important things first Sony’s current development platforms, and second information regarding SCE. The SCEDev website has the following disclaimer:
The Developer Network sites are owned and managed by Sony Computer Entertainment Inc and its affiliates.
Well Sony has not yet officially announced anything related to name of NGP, but the above evidence says it all that NGP will be called Playstation VITA.