http://www.wired.com/gadgetlab/2011/11/apple-ios-5-0-1-update/
gotta respect Apples turn around time
Don't get too excited, I am reading reports that the problems aren't fixed and are worse for some. It seems Apple may have rushed it.
http://www.macworld.com/article/163552/2011/11/apple_continuing_to_investigate_a_few_ios_battery_issues.html
guess their update isn't working like intended.