This is a full-featured Augmented & Alternative Communication solution for $189.99. While this seems pricey, it is significantly less expensive than other AAC devices.
eBackpack offers storage and collaboration features to individuals, classes, teachers, and schools. Now, there is an iPad module to help manage workflow and student portfolios. The pricing is quite affordable.
This product from the School Improvement Network facilitates administrative classroom walkthroughs in that it leverages the camera capabilities of the iPad/iPhone/iPod Touch and integrates it with assessment tools designed to give teachers constructive feedback.
Learning in Hand features project ideas, classroom management strategies, and resources for teaching with mobile technology - including iPod touch, iPad, and iPod.
This is an interesting program that combines student response system, content delivery system, and student monitoring all in one. Schools can apply for the new iPad pilot program for free (at the moment).