I have been waiting for this the whole year! Many bloggers have already commented/endorsed this offer: Mommy Points: Best Deal for “Buying” US Airways Miles is Back Dan's Deals: Get A 100% Mileage Bonus When You Share USAirways Miles! One Mile at a Time: US Airways 100% bonus on shared miles returns through October 15, 2013 — AMAZING deal! View from the Wing: US Airways 100% Bonus on Sharing Miles is Back – the Best Mileage Purchase Offer Returns! PS: Searched but couldn't find any similar topic on MilePoint!