Those who are not familiar with the US program need to understand there is a redemption fee for awards - even booked online. Star Alliance awards are not bookable online.
On top of that, there is a $150 fee for even date changes.
Waived for some elites.
http://www.usairways.com/en-US/divid...ooktravel.html
I really hope they don't end up doing this to AAdvantage if they end up merging with AA.