Video game blog VG247 says it has dug up some details on an unannounced Sony PlayStation Portable upgrade. According to the site, the soon-to-be released PSP-4000 is not a fully new system. Rather, it is a “complete aesthetic overhaul” of the original PSP. The main change in looks: A sliding screen.
Sony hasn't officially confirmed the existence of this handheld, so take this all with a giant grain of salt, but supposedly the company is waiting until E3 or GDC to announce the product. Reportedly, The PSP-4000 will be on retail shelves this holiday season.