"Apple charges a premium because of the perceived value of its products" Is this necessarily true these days? Air vs Ultrabook pricing for example? I take the

"Apple charges a premium because of the perceived value of its products" Is this necessarily true these days? Air vs Ultrabook pricing for example? I take the general point. In the UK college education sector there are two main players for providing virtual learning environments. One is open source, the other has a lease contract price in the tens of thousands per year (depending on the number of seats). Both are widely used!