Onto whatever makes sense at the time. iPhone OS development will work like game console development does now, where the dev tools are (again, for now) all host

Onto whatever makes sense at the time. iPhone OS development will work like game console development does now, where the dev tools are (again, for now) all hosted on Windows. It makes as much sense for Apple to have their own line of proprietary PCs as it does for Sony. Even Sony understands that.