Top 10 Ultimate Rivalries

10. Spy vs. Spy

9. Pepsi vs. Coke

8. Star Wars vs. Star Trek

7. Microsoft vs. Apple

6. Cats vs. Dogs

5. Nature vs. Nurture

4. Boys vs. Girls

3. West vs. East

2. Reason vs. Emotion

1. Good vs. Evil

10. Spy vs. Spy 9. Pepsi vs. Coke 8. Star…