A Promising Start
The first beta event of NCsoft's Guild Wars 2 spanned April 27-29, 2012. As the non-disclosure agreements have been lifted, we can officially "spill the beans" on gameplay for those of you that weren't able to participate in the beta event.
I think phasing stuff like WoW would work well and only allow the first X number of people to enter the phased area with the random event keeping it from becoming chaotic.
I'm considering it too! I'm stoked!