COMBINE crumbs with butter. Press firmly onto bottom of 9-inch springform pan.
BEAT cream cheese and sugar in large bowl with electric mixer on medium speed until well blended. Add eggs, one at a time, mixing just until blended after each addition. Stir in chocolate, cranberries and orange peel; pour over crust.
BAKE at 350°F for 45 to 50 min. or until centre is almost set. Cool completely, then refrigerate 3 hours or overnight. Garnish with thawed whipped topping, orange slices, dried cranberries and grated white chocolate if desired.