I saw the following post.
http://www.unicode.org/mail-arch/unicode-ml/y2007-m10/0396.html
If you need the guest username and password, they are on the following page.
http://www.unicode.org/mail-arch/
There is a link to the following page, from which there is a link to a page which provides a lot of fonts in a beta test format. Agreement to some licensing terms is required in order to download the fonts.
William Overington
1 November 2007