A good question.
I used windows from back in the days of DOS. I Bought the first Gen iPod touch, and later the first gen iPhone. From there I bought and iMac and MacBook in 2008, and I've never looked back.
In the business world people are being exposed to Macs in the work place, because they are running windows. The workers see the Mac in action, buy one for their personal use. The tide to Mac products grows and grows.
The point is, that the transition to intel made...