If you use the Official Change Office in Calis Beach ask Alper for their best rate, you will always get more than what is advertised on the board outside.
Martin Lewis has been banging on about Credit Cards from Hell for years now, on the "This Morning" Programme, on his own programme on consumer programmes both on T.V and radio. He gives good advice and his website is excellent to read so you get the best deal.
We knew about 5 years ago when I read his website that we had cards from hell. We applied for cards that were not from hell, so it is thanks to him we now have cards from heaven.