We posted a link for you a few days ago about HomeTheaterForum.com's awesome Blu-ray overview while visiting Lucasfilm, Ltd. Now they have just posted part II and you should deifnitely check it out. There are more questions answered like the one below! Stay tuned as they post part III comiong soon!
UPDATE: /Film.com has an image showing the differences between the Episode I theatrical Yoda and the Blu-ray digital Yoda in addition to a clip on YouTube.com which will likely be removed soon! So check it out right away!