Unless you know more than anyone else about the likely changes in exchange rates it is always best to play safe. You should get your income in the currency that your expenditure is in if the rental is long term. If it is only a couple of weeks holiday let, it probably will not matter.
If it makes the transaction easier for your renter then let them pay you in dollars in the exact amount that = your local currency. There are a few currency exchange links here: http://www.hedgefundfaq.com/answer.php?q=excha nge-rate