US Airways will probably launch a similar program. There's one hog out there somewhere that would be well on its way to Silver Preferred status (counting the F class bonuses, of course).

Somewhat off-topic: I was reading the other day about how an injured sea lion was recently transported from California to Sea World in Orlando for treatment/rehab (obviously in the pressurized cargo area - and why not San Diego, I don't know). That sort of sparked a funny mental image of the pinniped on US Airways, rummaging through the first-class galley looking for raw fish...