While the iPhone 3G definitely feels warmer than the original, it shouldn't get hot enough to cook human flesh. Or melt. But a MacRumors forum member says he fell asleep with his iPhone 3G in his pocket and woke up when he felt a burning sensation in his pants (not the good kind either). He says he pulled out the phone, which was incredibly hot. Like, plastic-meltingly hot. Check out the damage to the dock connector (and his leg), where you can really see the bubbly, heat-warped plastic: