I think I may have noticed this once right before but I upgraded to 2.2 this week and ever since I keep having screen issues. Sometimes when I slide down to get to unlock screen the unlock screen doesnt work but the emergency call button does. Most times when I tap the screen anywhere the notification bar keeps coming and going. Other times, i try to bring down the notification bar and it just slides right back up. So basically I have a phone right now that about half the time Im having issues using. Most times if i slide the keyboard out enough times, it will stop , and also if i hit the power button and start again. Anybody have any idea what this could be or how to fix it?