I’ll spoil the conclusion for you: 40″ LCD TV with a Mac mini and AppleTV. Interesting. Is that large enough for a class of 40 to see, though?
Yes+++ especially to this paragraph:
The interactive whiteboard. Never has so much money been spent so indiscriminately to so little effect as has been spent on interactive whiteboards across education. IWBs are pure skeuomorphism – a digital blackboard – intended to “increase the use of technology in the classroom” without changing classroom practice. We bought them, mostly, just because every other school was buying them and well the entire country can’t be wrong, right? They have been a horrible waste of money. I do not have one single good thing to say about them.