Just another data point: I'm at 77% (4431/5770) on an April 2010 MBP. I tend to leave it plugged in when possible, and often run it far down when not near an o

Just another data point: I'm at 77% (4431/5770) on an April 2010 MBP. I tend to leave it plugged in when possible, and often run it far down when not near an outlet. I take it that's about the worst I can do, but the convenience has seemed worth it.