My iPhone 3 just drowned and can't be brought back to life. I need a new iPhone 4 but have not pre-ordered but I did get a reservation for Friday morning. The question - if I just go and que up in line when the Apple store opens at 7; what are the chances of me getting a new iPhone 4? What about the other retail places - like Wal Mart - would my chances be better there? Any suggestions most welcomed!