Atkins Friendly Vanilla Cheesecake

2-8 oz. pkg. cream cheese
1-1/4 cups Splenda
3 eggs
1 tsp. vanilla

Topping:
16 oz. sour cream
9 tbl. Splenda
1 tsp. vanilla

Beat cream cheese, sugar, eggs and vanilla until smooth. Put in greased 9 inch pan. Bake at 350* for 30 minutes. Take out and let rest for 15 minutes.
Mix sour cream,Splenda and vanilla. Pour on top of the cheesecake. Bake for 10 more minutes.