The AirTV 2 is a bit of a mixed bag. Those looking for a cheap, or one time fee to get a dozen or more channels on your phone or tablet, the AirTV 2 with a long-range antenna is a solid solution. But, if you already have an AirTV or think you'd be easily...
Cheap whole-home DVR with no subscription fees, Sling TV integration is pretty neat, Supports out-of-home streaming (though it's one stream only)
Can't search for upcoming over-the-air programs, DVR lacks ad-skipping and granular recording options, No 60 frames-per-second or surround sound support
The AirTV 2 adds over-the-air channels to Sling TV, but the new hardware fails to fix some old problems...