In 4-qt. Dutch oven melt butter over medium heat. Add onions, carrot, and celery. Cook, 10 minutes, stirring occasionally, until softened. Add curry powder and pumpkin pie spice. Cook and stir 1 minute. Add pumpkin, broth, and water. Increase heat to medium-high; bring to boiling. Reduce heat to medium-low. Simmer, covered, 15 minutes. Remove from heat; cool slightly.
In food processor or blender, add one-third of the pumpkin mixture at a time, cover, and process or blend until smooth. Return all pumpkin mixture to Dutch oven.
Stir half-and-half, salt, and pepper into pumpkin mixture; heat through. Sprinkle each serving with Orange-Cranberry Topper.
In small bowl combine cranberries, orange peel, and parsley. Serves 8.