Preheat oven to 325°F.
Melt 6 ounces chocolate in small saucepan over low heat; set aside.
Combine corn syrup, eggs, cream and vanilla with a mixer until smooth. Gradually add cream cheese. Blend in the 6 ounces melted chocolate. Pour mixture into crust.
Bake 45 minutes or until set. Cool on wire rack. Cover and chill for 2 hours or until cheesecake reaches desired temperature. Melt remaining 2 ounces chocolate; drizzle over top of each slice before serving.