Do you notice your battery life has gone down? Has your application responsiveness gone down? Mine certainly has. Every time I get slow sluggish response from my apps. Also, before 3.0.0 (2.2.1 jailbroken) my battery would last 1 full day without a charge. Now, I need an intermediate charge to last me till 6:00 PM. I can't play as I used to many games cause the responsiveness is so sluggish. Honestly, I hope this is just a bug problem and not an Apple created problem.