"At less than 2 pounds per unit (with battery,) Alaska has opted to pass out the units as the flight prepares to depart (no charge for First Class) and rents players to Economy as well."
"There is quite a success story brewing at APS and Alaska. Customers love the product - they line up while boarding with $10 dollar bills on outstretched hands, vying for one of them"
Fred, it's a fairly safe assumption that if passengers are lining up waving $10 bills to get a player (per the article), then they are coach passengers (no charge to 1st class passengers for the players per AA). The logistical concerns appear to have been sloughed off to Rockwell Collins, at least at AA (per the article).