Okay... I post this tentatively, but I just installed 10.7.2 on my 2010 MBP 13, and my battery life meter is back up above 8 hours after full charge (this is after letting it sit and calibrate for a bit). Didn't do this with Lion on 10.7.1 and battery life only lasted 3 hours. Keeping my fingers crossed that battery life is improved with this new update.. Curious to hear other feedback *Update - okay, maybe not. Battery meter seems to be all over the place. Probably not reliable measurement; going to have to see how the real thing lasts.