It looks fairly frustrating since it's hard to hit someone in 3d space, but it's interesting nonetheless. Check out the video and story at this link:
http://gameinformer.com/b/features/...f-world-of-warcraft-cataclysm-s-jousting.aspx
http://gameinformer.com/b/features/...f-world-of-warcraft-cataclysm-s-jousting.aspx