I'm buying an iPhone this week and looking to get all of the cool apps on my phone. I want to jailbreak the phone using pwnage but my question is, what disadvantages will I have if I do so? 1. Will I still get the apple software updates through iTunes when they release them? 2. Can I still download anything I want from iTunes or any SDK apps I want? 3. Please let me know any known disadvantages that I might have if I jailbreak or unlock my iPhone.