I think you can manage great with Macintosh software and hardware. 1) to manage the interface towards the different public users you can use At Ease - an Apple software product that are included in most Apple bargains 2) in order to make presentations of material - audio/video or other types types of interactive presentations also in exhibitions you can use the very easy to handle ProView from e-magine (www.e-magine.com) As a solution for hardware use the 'everything in one' - Macs like Performa 5200, 5300 and so on. I suppose you by now can get these computers for around $1.000. John