I purchased a white iPhone in march. A few weeks after I bought it, the phone began showing the small cracks that the white case is nutorious for. The apple store took it back for exchange without issue as they said this is a known issue with the white ones. I asked if I could get a black one instead, and they said no, but that I can bring the phone bathe again if it does the same thing again. Surprise surprise, it is happening again... Basically, I am wondering how long after the release of the new phone will the apple store still carry the GS models? If I wait a year to bring the phone back, will they exchange my phone for the new modle or should I just wait until the new phone is released, exchange and sell they exchanged GS phone and use the money to buy the newly released one?