You can add onions, curry leaves, green chillies, tomatoes or bacon/sausage to omellettes. But for scrambled egg, you only add need to add milk and/or butter, and seasoning.
Apparently the (Official) best scrambled eggs in the word (some chef in New York makes them) always cooks his with cream.
Water?!? How bland do you want your food?
It would never have occured to me to put water in them but that might explain the very pale rubbery stuff you get in caf�s when you order them. For me it has to be melted butter in the pan, then just add very lightly beaten (not whisked) eggs, season and cook gently stirring all the time but then stir in a BIG knob of butter just as they are beginning to set. Serve quick as they go on cooking after the heat is taken away. Gorgeous... Mind you I'm now going to try cream. Thanks for the idea!