I own the Evo now and my main concern with upgrading to the Epic is the lower resolution cameras on both sides of the device. My secondary concern is the YouTube app. I watch tons of YouTube on my Evo and I've heard that the Epic does not support Youtube videos in HQ quality. I'm also curious to know if the battery life is significantly better than the Evo. As awesome as the Evo is, battery life is one of the departments it is lacking in.