If you apply for the B of A business credit card with US airways prior to June 16, 2007 you get a $50 check mailed to you within 50 days. The annual fee is $75 so you basically get 15K US Airways miles for only $25. After June 16, 2007 you still get 15K but no $50 refund check.
Here is the link:
https://bankofamerica.smallbusiness...._source_id=INT