Making a master iPod device and using it as an "image" from which to restore the others is a great technique for the initial deployment of iPod devices, but not a usable solution for managing them on a day-to-day basis.
This system provides education and training institutions with the ability to use the iPhone and iPod touch to transform their lectures into an interactive learning experience. This will help students increase their learning and retain knowledge.
Could be a great tool for formative assessment. A quick check if students are with you, or if you need to review. Start a lesson with a quick review of needed topics, vocab, etc.
There is also
Web Conferencing - Martin and Sallie look at the What, Why (from a ministry perspective) and How of web conferencing as they detail four free tools for desktop sharing.
*TeamViewer - iPhone/iPod app
*Join.me
*Vyew
*Mikogo - What does it mean?? E-mail WELSTech your answer!
*Skype
You can use it to simultaneously sync 16 iPads using iTunes or other document software with a MacBook or a Windows (7 or XP) based PC. Syncing is easy and fast.