With the launch 2 days away there are still many questions I haven't been able to find answers to: 1. Bluetooth. Does it work with any headset? Will it work with the handsfree in my car? Will I be able to browse the iPhone using bluetooth on my mac? 2. Pictures. What can I do with them? Can I upload pictures to flickr? 3. How is the screen outside? Is it visible in bright light. 4. Ringtone situation is unclear.