Well this could be something with my iphone or the OS itself. But weirdly, when I receive a text message, phone call, it would make a different sound! The sound itself doesn't sound like the original defaults, but rather something completely different, leading me to believe it's not just something wrong with my speakers. Plus the fact it sounds way cooler, makes me believe it could be perhaps new 4.0 default sounds? It randomly happens for an hour then goes away, and I have no way to force it to use those sounds, I just have to be lucky and wait. Anyone else?