HTC Evo 4G, a powerful Android 2.1 powered smartphone, appears to be a major hit.
Engadget,
Gizmodo and
Boy Genius Report are all reporting that the phone is sold out everywhere.
HTC Evo 4G is available on Sprint's network.
Wired has
published a useful spec comparison between the HTC Evo 4G and Apple's new iPhone, the iPhone 4.