Just stayed at the Hilton CPH Airport hotel which was extremely convenient for us because we had an early morning departure - the hotel is only a short walk away from the terminal. We got upgraded to very nice rooms and had the chance to spend some time at the Executive Lounge on the 12th floor. Here is my review with photos:

http://www.loungeguide.net/Hilton-Co...=553e1f2ad73a9