4 thin slices prosciutto (about 1.5 ounces), coarsely chopped  | 
                                                3 tablespoons minced shallots  | 
                                                2 tablespoons balsamic vinegar  | 
                                                1 tablespoon red wine vinegar  | 
                                                1 1/2 teaspoons extra virgin olive oil  | 
                                                1/4 teaspoon salt  | 
                                                1/4 teaspoon freshly ground black pepper  | 
                                                12 cups torn escarole (about 1 1/4 pounds)  | 
                                                2 cups torn radicchio (about 4 ounces)  | 
                                                2 cups cubed peeled honeydew melon  | 
                                                2 cups cubed peeled cantaloupe  | 
                                                2 tablespoons sliced almonds, toasted  |