Brown sausage in large nonstick skillet, drain.
Add potatoes and tomatoes and cook 5 minutes. Top with Velveeta.
Beat eggs and 2 T. water with wire whisk. Pour evenly over ingredients in skillet.
Cover, reduce heat to low, cook 10-12 minutes or until egg mixture is set in center and cheese is melted.
Uncover, let stand 5 minutes before cutting into wedges with a nonstick spatula.