looking for iphone 4 on t-mobile or unlocked will give 200-250 cash ?

looking for iphone 4 on t-mobile or unlocked can give 200 to 250 cash or can give cash an ipod touch and an xbox 360 elite...ipod has cracked screen and very bad scratches still works and is great for music and xbox 360 elite only has 20gb hardrive but is in perfect working order