I just got my 3rd Macbook Pro and am crossing my fingers that this does not have any issues. To calibrate the battery, I completely drained it until it went to sleep. I then let it sit overnight, as per the procedure. Today, I plugged the A/C adapter in and noticed that the keyboard wasn't working at all. Not a single key showed any response. Frustrated, I rebooted the box and it is now working. Is this normal or an issue I should be worried about? Has anyone else noticed this?