black iphone 3G 8GB on o2 PRICE DROPPED LOWER IF GONE ASAP ?

this phone is only 3 months old so still in a really good condition however there is a tiny bit of wear to a couple of the pins where the charger clicks in but it hasnt affected the phone at all and it still charges and syncs can be shown both of these working when collected... everything is still fully working and has box and charger with it. £80 or will swap it with cash for an iphone 4 WILL ACCEPT £70 FOR QUICK SALE please do not try to get the price lower