Preheat oven to 300 degrees F. Grease 9-inch springform pan. Crust: Combine crumbs and butter in medium bowl. Press onto bottom and 1 inch up side of pan. Filling: Beat cream cheese and milk in large bowl until smooth. Add sugar, eggs, lime juice and vanilla extract; beat until combined. Microwave 1 1/2 cups chocolate chips in medium, uncovered, microwave-safe bowl on high power for 1 minute; stir. If needed, heat additional 10-15 second intervals, stirring just until chocolate chips are melted. Stir 2 cups of batter into melted chocolate chips; mix well. Alternately spoon batters into crust, beginning and ending with yellow batter. Bake 70-75 minutes or until edge is set and center moves slightly. Cool in pan on wire rack for 10 minutes; run knife around edge and let cool completely. Drizzle syrups on top. Sprinkle with nuts and mini chocolate chips. Refrigerate several hours. Remove side of pan.