CRUST:
STIR together crumbs, butter and sugar; press into a 9 inch springform pan.
CAKE:
BEAT 3 packs cream cheese and sugar at medium speed for 1 minute. Add eggs and next 6 ingredients; mixing on low speed just until fully combined. Pour batter into prepared crust.
BAKE at 325°F. for 10 minutes; reduce heat to 300°F. and bake for 1 hour and 15 minutes or until center is firm. Run knife around outer edge of cheesecake. Turn oven off and let cheesecake stand in oven for 30 minutes. Remove cheesecake; cool in pan on wire rack for 30 minutes. Cover and chill 8 hours.
Topping:
BEAT cream cheese and butter until smooth. Gradually add powdered sugar and vanilla and beat until smooth. Spread evenly over top of cheesecake. Remove sides of springform pan.