ArenaNet has recently revealed at E3 that Guild Wars 2: Heart of Thorns is now officially available for pre-order in the West. They're currently offering a unique pre-purchase program with perks for all buyers with three different versions: Standard, Deluxe, and Ultimate. More info on all three versions can be found over on the Guild Wars 2 website.
Also announced were guild halls, a big group feature that will be coming to Guild Wars 2: Heart of Thrones. More details will be revealed throughout E3 but you can also get a first look in the video below.