I want an iPhone 3GS! (not iPhone 4)

We all know that Apple has released a new version of the iPhone which is the iPhone 4 but since it's still not available in the Philippines, I'll just get the iPhone 3GS. But there's one little problem : I'm broke! I know Globe Telecom has iPhone Postpaid Plans but I don't prefer postpaid plans coz' it's a hassle for me to pay P1500 every month for an iPhone, I'm more of a prepaid person. So, if you have an old iPhone 3GS and you don't need it anymore, just comment to this post.