Apple has a new lineup of iPad Pro and Air models for the first time in well over a year. Most people would probably be hard-pressed to tell the new ones from the old ones just by looking at them, but after hands-on sessions with both sizes of both tablets, the small details (especially for the Pros) all add up to a noticeably refined iPad experience. iPad Airs: Bigger is better But let's begin with the new Airs since there's a bit less to talk about. The 11-inch iPad Air (technically the ...