These reviews are independent from any organization and are written by individuals who have actually been through the experience. You can find these on websites like cruisecritic.com and cruise-reviews.com. These reviews offer insights that larger-scale organizations might not focus on; the individual touches that might have enhanced the experience of the trip or caused a degree of unpleasantness. By surfing the web, you're sure to find plenty of sites with individuals' experiences. Another resource for individuals to share their experiences are travel forums such as cruisemates.com.
Travel enthusiasts love sharing their experiences and there are a plethora of travel blogs that will accommodate their passion: TravelBlogs.com, TravelPod.com and travelblog.org are all provide a wealth of information from people who have travelled every possible way, including cruises. Use these people's lovingly documented trips to make your trip one to remember, or to learn from other people's mistakes.
Other websites dedicate their work to making sure that you know all that you need to know about cruises. Not written by amateurs, sites like fodors.com/cruises and cruise-addicts.com have organized information on everything from dress code to booking the trip. Fodor's is especially well-organized with a list of different cruise lines, and tips on why or why not that line would be a particularly good fit for your travel goals.