I disagree entirely that these devices will replace workstations/netbooks/notebooks/laptops (whatever) – they will complement your existing technology.

Finally, in my opinion apple won’t win out in the tablet market, why would they when you could buy a HP tablet and already have a wealth of learning tools available or even an open source device that is android powered and have a mass market of free excellent tools?

RE the environmental issue, in the words of our favourite mayor, what a “load of codswobble”