maybe because i abuse the wifi+3g a lot and i use the internet quite heavily, i don't notice that much battery improvements like you guys claim. i still have to be wary about usage until i'm very sure i'll go back to a power source to charge... i don't demand for 3-4 days full use without charging... just so i can carefreely make it through the whole day without thinking about charging. i'll be immensely pleased with that alone. thanks for your hard work karam