we stayed at perry&jimmys from the 2/7/07to16/7/07 .we changed money at various places in arillas including rainbow,arillas car hire and the rate hovered at around 145/146 to the pound with 2%commision charged for each transaction.still worked out better than m/s or post office.if youre worried about taking all cash ./dont/there are plenty of safe deposit boxes about the resort .just enjoy.