Recently a tip was dropped off to PS3 Center by Super_Secret, the same user who leaked information on the PS3 Slim many months ago. The rumor is about a possible PSP-4000 being developed. It seems that Sony has made plans to phase out the current selling PSP-3000 with a new model, possibly fixing some current issues with the PSP-3000. It has already been known for a while that Sony had plans to phase out the PSP-3000, but its replacement may not be the PSP Go, but a PSP-4000 full with UMD Support!
Traducción:
Recientemente Super_Secret (el mismo usuario que "robó" la información de la PS3 Slim unos meses antes de anunciarse) ha dado a conocer un rumor en PS3 Center. El rumor habla de que una PSP 4000 podría estar en desarrollo. Parace que Sony ha hecho planes para abandonar la actual PSP 3000 con un nuevo modelo, posiblemente solucionando algunos problemas de la PSP 3000. Ya sabíamos que posiblemente Sony tendría planes para abandonar la PSP 3000, pero el remplazo no sería la PSP Go, sino la PSP 4000 con soporte para UMD.
Fuente: http://www.consolespot.net/1684-Rumor-P ... orted.html