SPRINKLE gelatine over cold water in small saucepan; let stand 1 min. Cook on low heat 2 min. or until gelatine is completely dissolved, stirring constantly. Set aside.
BEAT cream cheese in large bowl with mixer until creamy. Add pumpkin, sugars, cinnamon, vanilla and cloves; beat until blended. Add gelatine; mix well. Refrigerate 30 min. or until mixture is thick enough to mound.
POUR 1/2 cup whipping cream into small bowl. Beat with mixer on high speed until soft peaks form. Add to pumpkin mixture; stir gently until blended. Spoon into crust. Refrigerate 3 hours or until firm. Beat remaining whipped cream. Spoon over pie just before serving; top with nuts.