Steve Jobs summed it up best.
Our competitors are looking at this like it’s the next PC market. That is not the right approach to this. These are post-PC devices that need to be easier to use than a PC, more intuitive. The hardware and software need to intertwine more than they do on a PC. We think we’re on the right path with this.
This is why the iPad has been a huge success and why the iPad 2 will continue to be.