Optus plans to become the first Australian carrier to offer the iPhone 3G with the midnight opening of its George Street store in Sydney, according to the Age. The carrier plans to open a number of other stores at 7 a.m. Friday morning for the iPhone 3G launch. Optus corporate affairs manager Melissa Clare said that only deposit holders who were Optus customers would be able to pick up their iPhone at the midnight event, adding that deposit holders…