if your paid in full for your trip i wouldnt go too crazy. the u.s. dollar i think is worth a bit more but gas is very expensive. make sure you bring some dry gas additive. i cant remember but i think most places will take major credit cards which will give you the best rate of conversion.i would bring no more than the cost of licenses and a couple hundred at most and put as much as possible on a credit card. i think most places will take american money but they wont give you a good conversion rate.