Yes i'm kind of wondering about that too. In an early gameplay video they told us about raids after lvl 50 but in the newest video they only mention the 4-player dungeons and PvP.
I totally hope the last statement is true. As an old DAoC veteran i would totally love a game with minimal grind and a focus on motivating three faction PvP. But after i've tried Guild Wars 2 and saw how fast they gave in to the MMORPG-locust faction i'm a little bit sceptical.
It would be awesome if they manage too keep their true concept but since money rules the world i can see them being forced to patch it to another WoW-Clone even if it isn't one at the release.