Repost from nausicaa.net mailing list, but apparently Nausicaa of the Valley of the Wind blu-ray being released on 7/14/2010 will include the following features:
Nausicaa Blu-ray will include the following audio tracks: Japanese / English / French / German / Korean / Cantonese / Mandarin
Along with subtitles to those languages mentioned above.
Other specifications picture disk, BD50, MPEG4 AVC, non-duplication
Widescreen 16:9 screen size 1920 в 1080 FULL HD
2.0 Dolby Digital Stereo for all languages. (No mention of 5.1 soundtrack)
Storyboard, Audio commentary by Hideaki Anno
First Pressing will come with a guide book. (mini-book edition reprint)
This is actually really exciting news, I hope they do this for all Ghibli blu-rays.