Hey, I got excited since I am a Star Alliance flyer. Two miles/dollar spent on iTunes from USAirways. Every little bit helps. I earned myself a ticket on United this summer just from going out to eat. Hopefully this will be of benefit to someone. 
http://www.skymall.com/usairwaysmilesmall/store.htm?sortBy=offer&m=84
http://www.skymall.com/usairwaysmilesmall/store.htm?sortBy=offer&m=84