so, i bought my 12 inch powerbook about 2 or 3 months ago, calibrated the battery, and have since been loving it. typicaly, i sit around the house with the computer or use it wirelessly when i'm outside in our court yard (just moved to a new place, havnt set up internet in my apartment yet).... anyway, the problem is that now my battery when at 98% gives me about 3 and a half hours of battery life. i mean, come on... it was 5 hours when i first got it and now it just seems to dicrease. is this abnormal? for it to decrease so fast? not only that, but sometimes when i power on my powerbook, this has happened maybe 3 times, it makes a weird inner beeping sound... like one shallow long beep. then i push the power button again and it starts as normal. how long should one hold down the power key when they want to turn on the computer? is it 2, 3, 6, 10 seconds? because sometimes i hold it in, and thinking its turned off still, hold it in again, in actuality turning it off while its trying to load. i wish the power button lit up so i could tell... because mine doesnt.