Twice on a Sunday

• Letterman over Leno
• vanilla over chocolate
• Colbert over Stewart
• Celtics over Lakers
• mayo over ketchup
  
• Madonna over Cyndi
  
• siomai over siopao
• bola-bola over asado
• Ellen over Oprah
• original over extra spicy
• Maxim's over Cafe de Coral
• metal bands over leather straps
• Mugabe over Bush
• Bush over Cory
• thin crust over pan
• Light over Pale
  

Too obvious to mention but I will anyway:

• Coke over Pepsi
• ADMU over DLSU
• Google over Yahoo