Unlocked Pink Samsung Galaxy S2 - wanting to swap with a 16gb or 32gb iphone 3gs !

I have an 16gb unlocked pink samsung galaxy s2 which is in mint condition and boxed. Im looking to swap with a 16gb or 32gb iphone 3gs, either on orange or unlocked and must be boxed and in similar condition to mine. Id also like some cash alongside. Please txt if intetested