Easy Chocolate Lovers CheesePIE

3 packages cream cheese, softened (24 ounces total)
3/4 C. sugar
3 eggs
1 tsp. vanilla
1 2/3 C. Hershey's mini chocolate chips
2 - Oreo graham cracker crusts (6 oz. size)

TOPPING
2 Tbls. whipping cream or milk
1/3 cup chocolate chips

Heat oven to 450*. Beat cream cheese ands sugar in large bowl with mixer until well blended. Add eggs and vanilla; beat well. Stir in 1 2/3 cups small chocolate chips; pour into crust. Bake 10 minutes. Without opening oven door, reduce temperature to 250*; continue baking 30 minutes. Remove from oven to wire rack. Cool completely. Cover; refrigerate until thoroughly chilled. Place remaining 1/3 C chips and whipping cream in small bowl, microwave for 30 seconds or until melted and smooth. Spread over top of cheesepie. Refrigerate til set. Cover; refrigerate leftover cheesepie.