http://wow.joystiq.com/2011/10/28/ghostcrawler-introduces-you-to-the-pandaren-mo...
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What interests me most is this particular snip:

Insider:How will the monk differ from other classes?

Ghostcrawler: We're trying a few different things. For now, the monk has no auto-attack, which is unique among melee classes. The monk has a different resource as players might expect, where they have both light and dark resources that power different abilities. We are even trying to have the monk healing spec use a lot of punches and kicks. While monk characters will care about weapons, and weapons contribute to their damage and healing, you don't see the weapons in a lot of attacks. We save them for some of the big finishers.

Kung fu pandas lol