Hello, I looking to buy iBoardTouchs and have to decide between in-built PCs or without. All the teachers have a laptop so would an in-built PC be unnecessary? I've been asked to look into this and at the moment the only advantage I can think of is less wiring! Plus when the PC needs updating that will be an additional cost as I can't see teacher laptops being phased out in favour of the iBoard. What do others think? I would be grateful for suggestions as when it comes to more technical aspects I feel very uncertain. Thank you.