Now's that an interesting way of looking at it
Pooh offers his Theorem of Lost explaining the difference between good shows and bad.
And he also offers a selection of classic matchups, but XWL pretty much gives the definitive answer out of the gate. I offer this as a followup:
The Bride Vs River
No disrespect to the Bride - wicked tough and a cool chick - but even with her Hattori Hanzo sword, I think River takes her.