Sprinkle gelatin over cold water in saucepan; let stand 1 minute to soften. Stir over low heat until gelatin is dissolved, about 1 minute. Remove from heat.
Place berries, granulated sugar and gelatin mixture in food processor or blender. Whirl to puree. Pour into bowl. Chill until mixture mounds when dropped from spoon, 1 hour.
Beat cream and confectioners sugar in chilled bowl until soft peaks form. Stir one-quarter of cream into strawberry puree to lighten mixture. Fold in remaining cream.
Spoon into 6 stemmed glasses or dessert bowls, dividing equally. Chill for 2 hours. Or, after lightening puree with cream, layer remaining whipped cream with strawberry puree in stemmed glasses. Garnish with strawberries. Makes 6 servings.