I'm loving my Epic 4G Touch, but Sprint's "4G" WiMAX network is a joke. It doesn't work well indoors, has spotty coverage, and doesn't transition well between 3G and 4G. When using Napster during my commute, I have to turn 4G off because leaving it on will often cause interruptions in the music. On top of that, we're forced to pay $10 extra for this crappy network, which I just leave off these days. It is more trouble than it is worth. Sprint better hurry with their LTE rollout, or they will be left behind other carrier's 4G networks.