samsung galaxy ace SWAP WITH IPHONE 3GS -

I have a mint samsung galaxy ace with the charger and earphones. i have no box as i received this phone as a replacement phone and i have had it for about a month now. never been dropped, no scratches, nothing at all. has a case on it at all times with protective screen cover. it is running gingerbread 2.3.3 i would like to swap it for an iphone 3gs or we could sort out a good deal depending on the condition of the phones. i would also sell th ephone if any of you want it. please could u contact me on 07881533406 or message me thanks