Well the rumor at pleeks hangout (Member Pleek's site) is that sony has been taking surveys about there new psp. As of right now this is just a rumor but here are the features supposedly being polled.
* Was smaller, yet retained most of the current PSP's screen size
* Offered social networking functionality on the XMB
* Included a keyboard for easier internet browsing and communication
* Offered Blue tooth wireless support for easy pairing with other devices
* Had a touch screen
* Had an improved screen for more dynamic graphic displays
* Offered the ability to find others near you who want to connect for online gaming
* Offered an e-comic/book download service through the PlayStation Network
* Included a hard drive for memory storage
Whether or not this is true is up to you and sony.