Arena.net has announced that Guild Wars 2 will be going to open beta phase soon. Angel investor Leigh McCoy says that beta is “in the planning stages now” as its current closed beta continues.
No dates have been set, but it’s likely that, if they’re announcing it now, it will happen within the next two or three months.
McCoy gave an interview to Nevermet Press regarding GW2 and its progress so far. That can be read here.