The forum is rather thin, making the view on any wide-screen monitors very odd/strange. Perhaps a scaling width? Also, images in people's signatures/posts seem to be able to be larger than the width of the forum, resulting in the whole post/page looking very odd.
Example:
The OP's signature in this thread:
http://forum.square-enix.com/ffxiv/threads/1291-Action-bar-switching-issues