Heres 3 Guild Wars 2 gameplay vids. This could possibly be more competition for WoW which should hopefully lead Blizz to panic, get off their buts and give us more content.
http://www.youtube.com/watch?v=TJjOM2eKsJM
http://www.youtube.com/watch?v=jnl2ScjsWvk
http://www.youtube.com/watch?v=pNZSuniSsGU