ASUS today upgraded its F Series with two new laptop F5Z and F8Tr, featuring the latest AMD Puma platform. Both of them features recently released Turion X2 Ultra processor and ATI Radeon HD 3000 series graphics. Powered by the new platform, the F5Z and the F8Tr Series operates with longer battery life, enhanced graphics and video processing as well as improved system performance for an enhanced visual experience. What's more, the F5Z and F8Tr also incorporates the exclusive Express Gate feature that provides 8 seconds boot up time.