, 2GB of RAM, a 60GB hard drive, a built-in GPS and 3G modem, as well as Wi-Fi and other features packed inside a sleek 680-gram package he is just 2 centimeters thick.Even though the Z520 is a slower processor than the N270, Sony executives are adamant that the P Series is not a netbook, pointing to the GPS and 3G support as features that set it apart.it is definitely more than a netbook, it is a