ArenaNet sends along a follow-up to their plan to hold another Guild Wars preview event this weekend (story). It turns out this chance to sample the current state of this upcoming MMORPG is open to all, here are some details from the announcement:

The free World Preview Event, which begins Friday evening, Oct. 29 and ends Sunday evening, Oct. 31, will allow players to explore two new game regions, play in an expanded international tournament and engage in combat on new competitive battlefields. For the first time game players will be able to create new guilds and experience guild warfare in the vibrant online environments of Guild Wars. To participate in the World Preview Event players can simply visit www.guildwars.com and download the free game client, which is approximately 90KB.