I have an issue with my battery life on my 3GS where it drains quicker than my 3G. I am on my second 3GS because of it however I run into the same problem. Is it me or do other people experience quick battery drainage? Anyway, does 3.1 solve this issue? I have the benm tethering and I heard 3.1 disables this, however if losing tethering means gaining battery life, I am willing to trade.