I got the link from my local coupon ad for Blue Cash Everyday Card and the offer is- " $50 cash back after you spend $250 in the first 90 days of Cardmembership".
You have to apply thru this link to get this offer:
http://bluecashcards.americanexpress.com/valpak/#/
Note: These offers expire on 07/31/2011. If your application is approved after this date, you will not be eligible for the special bonus offer.
Ron.