Hi i just got a MBP a week ago and have calibrated the battery once. With bluetooth off, airport off,sound off, brightness one and only running itunes to arrange songs and playlists im getting only 220 min of batetry time. i went from 97% to like 87% in around 20 min. when i just browse the interent i only get around 2 hours of battery life, this cant be normal can it? do widgets take up alot of battery life because maybe i should just trun them all of ( i only have the default ones on) please note that to get rid of the whine issue i removed the file IOPlatformPluginFamily.kext (backed it up of course). is there something im doing wrong to get such low battery life? help!