Interesting article on travelling by freighter. Takes care of some misconceptions, such as:
2. Freighter travel is similar to being on a cruise. The purpose of a cruise ship is to provide a relaxing and enjoyable time for everyone on board. The purpose of a freighter is to get cargo from point A to point B as quickly as possible. Cruise ships troll around tranquil seas, with stabilizers so that you barely know you are moving. Freighters haul at a breakneck pace across the open ocean, often through storms. A cruise will be populated with thousands of people, whereas a freighter is often a larger vessel with only 20 or so people on it. While a cruise ship has restaurants, spas, gymnasiums, and tons of activities, a freighter will have a TV with a DVD player, a radio, and if you’re lucky, an old Nautilus machine for working out.