usb vs. firewire
crt vs lcd & plasma
vhs vs. dvd
laser vs. optical
caucasians vs. african americans
skateboarders vs. rollerbladers
edit: oops, sorry, didnt see the post that said "keep it relevant to technology"
America Vs World
Me aganist Business Teacher (A truly epic struggle)
Commuism aganist Democracy
Priating Vs RIAA
Bloods Vs Crips
50 Cent Vs Ja Rule
My weightlifting vs Gravity