I don't know if this has already been mentioned, but if I recall Sony are working on an updated PSP but they refuse to comment on it at the moment. As with most updates with hardware, it will most likely be smaller, have slightly long battery life and a bright screen or something. Sony have however stated that the screensize and shape will be one thing that will never change with the PSP, so I guess that's a big hint for those of you who are thinking about dual screens or anything else in that area.