Wu has more babes than any other faction. That's reason enough. (Although it's questionable to count the Qiaos as babes the way they're presented in-game.) Still, in a very indirect sense, that is why I favor Wu. I started off back in DW2 playing SSX. The default Wei people looked mean and angry, and the default Shu people had big beards and fought with slow cludgy weapons. Wu was more my style, at least the way they presented it in the booklet. And so I came to love playing Wu. I understand storywise they may not be nearly as awesome as Wei being the fearsome beast everyone else conspires against, but they did outlive the other two kingdoms by a great deal.