Details about Sony's next-gen portable Playstation, the NGP, have been scarce since we spoke with SCEA President-CEO Jack Tretton about the new device. However, in an interview in the forthcoming issue of Edge, Shuhei Yoshida --who happens to be president of SCEA Worldwide Studios -- revealed a few more tidbits about Sony's NGP strategy (alas, still no official price). Apparently, the PSP will stick around even after NGP's release because of high demand for the
