The PSP Go is the newest portable gaming device from the Japanese based company Sony. It comes with 16 GB of internal storage expandable with m2 memory, no optical (UMD) drive, and built-in Wi-Fi and Bluetooth connectivity. With a price of $249, PSP Go will become available in stores on October 1, 2009, in North America, Europe/ PAL territories and Asian countries and regions. For more detailed about the specification, click here.
Source : PlayStation