Yeah, I would say wait until the open beta starts for everyone and try it as opposed to preordering now if you're not sure. You can't get above level 15 in open beta anyway, and you won't be able to do any pvp'ing since there will be no players hig…
I hadn't really given monster play much of a chance until the last couple days of the closed beta and then I really had a blast playing it. Almost all of the fighting is in big groups, and a group of monsters none of which have been upgraded at all…