For those of you who think you have to wait for the 20th

[Swishiee]

It's the 20th in Japan when the expansion goes into effect, which is the 19th here. It even says in a POL post.

On April 18, 2006, "Treasures of Aht Urhgan" expansion disc will be released. The service is scheduled to begin in the evening of April 19, 2006.

Just thought I'd let everyone know, since I've been seeing a lot of people say it starts on Thursday.

http://www.playonline.com/ff11us/polnews/news7362.shtml