I don't think you've been following what industry has been doing with iPhones.
First of all, "light browsing, reading, and phone calls"? You clearly haven't been in sales. Entire 2000 word screens are usually banged out on one's iPhone or Blackberry. The calendar app has to manage hundreds of events, etc.
I do almost all of my browsing on an iPhone.
Airline mechanics at at lesat one major global airline have been using them to log their maintenance activities with precise detail.
More than one Class-1 railroad is prototyping iPhones and iPads for crew and yard devices to manage train manifests and marshalling orders.
Doctors are using their iPhones for looking up and editing EHRs in some hospitals.
Everywhere I look in the enterprise, they are killing the PC in favor of the smartphone -- today.
Again, that may be important work but it is all very basic work that can easily be done with any mid-range phone or tablet. Historically there may have been genuine reasons to pick the Apple product, but as time goes by there is less and less reason to choose Apple, and more and more reason to choose one of their competitors.
For "real" office work that needs a convergence device, Apple is in even less of a strong position, for the reasons outlined elsewhere.
They are likely to find some niche applications, and probably do well in the consumer side, but its hard to imagine Apple having much success as a PC replacement (and decreasing success in the long run as a BlackBerry replacement)
First of all, "light browsing, reading, and phone calls"? You clearly haven't been in sales. Entire 2000 word screens are usually banged out on one's iPhone or Blackberry. The calendar app has to manage hundreds of events, etc.
I do almost all of my browsing on an iPhone.
Airline mechanics at at lesat one major global airline have been using them to log their maintenance activities with precise detail.
More than one Class-1 railroad is prototyping iPhones and iPads for crew and yard devices to manage train manifests and marshalling orders.
Doctors are using their iPhones for looking up and editing EHRs in some hospitals.
Everywhere I look in the enterprise, they are killing the PC in favor of the smartphone -- today.