But what's their profit share? It was well over 30% a few years ago, I bet it's even higher now. And for anything over $1000, it's almost all going to Apple. A

But what's their profit share? It was well over 30% a few years ago, I bet it's even higher now. And for anything over $1000, it's almost all going to Apple. And what about installed base? People don't toss Macs nearly as fast as they do PCs. I'm relatively wealthy compared to the typical American, and I only pull the trigger on an upgrade about every 3 years. Judging by my observations of people using cheap Dell or HP laptops, I'd probably be going through them twice as fast, inflating the number of units.