Wow, Engadget caught this. I definitely have noticed this since I have my phone on the desk half the time and I get angry that I can't pull down the notification bar and so I grab it and it works. Try it out. Great to know now so all I have to do is hold it.
HTC EVO 4G and Droid Incredible suffering from unresponsive screen issues -- Engadget
http://www.youtube.com/watch?v=l8U2amlgb1M&feature=player_embedded
http://www.youtube.com/watch?v=PQRgT3gtmsI&feature=player_embedded
HTC EVO 4G and Droid Incredible suffering from unresponsive screen issues -- Engadget
http://www.youtube.com/watch?v=l8U2amlgb1M&feature=player_embedded
http://www.youtube.com/watch?v=PQRgT3gtmsI&feature=player_embedded