Fraser Speirs:

The major story about the iPad Air is not the reduction in size and weight but the increase in performance. It is, to put it simply, an utter delight to use.

Agreed. And I’d add that the two dynamics of the new iPad — speed and size/weight — go hand in hand to increasing both usability and delight of use. The lighter form factor make the iPad easier to use more frequently, the significantly better processor make the iPad more enjoyable to use when you are using it.

The Desktop-Class iPad