As a charity, we work on a very tight budget, and the kind Mr Gates let's us have lots of stuff very cheaply. Every now and then we take on a newbie who asks if they can have a Mac instead of a PC, when we've stopped laughing, we say; "OK, if you want to pay for it, and all of the apps, and the support out of your salary, yeah, you can have a Mac". They all go quiet then