Sony has released a new v3.10 PSP firmware update, adding an optional Conserve Memory feature for your Internet browser when viewing a Web page with a larger amount of data, as well as a Dynamic Normalizer providing automatic volume adjustment. Sony is also promoting a new PSP download service currently offering the Killzone demo but in next few weeks Syphon Filter: Dark Mirror and SOCOM: U.S. Navy SEALs Fireteam Bravo 2 are expected.