With the delay of the white iPhone (ridiculous). I'm going to go ahead and buy a black. My question is - if I purchase a black and use it until the white one comes out, am I able to then buy the white phone outright (no commitment - for $599)? Or am I not allowed because I just signed a black under contract? If this is possible you'd basically come out even by selling the black on eBay, and that works for me. My 3G is about to kick the can.