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On this page of Dianna Williamson and Chris Hill's Diverse Learner site on the Apple Learning Interchange (ALI) shares a cool automator script that turns text files into audio files, great for blind students or those who are auditory learners.
I don't know just how new this is, but I like the search feature at the ALI. Select a grade level, content area, and tool... then click search to discover lots of sample student projects.