Includes causes, treatments and diagnosis. Good article on what is Diabetes Insipidus, how it is diagnosed and treated. Also includes a forum for those with Diabetes Insipidus. Information from the National Organisation of Rare Diseases. Very brief, but you are able to buy the full document from NORD which is a non profit organisation and uses that money for research.
Site also contains links.
This site has its focus on Children with Dieabets Insipius. Insipidus Help build the largest human-edited directory on the web.