Many cardholders have received an email saying that from now through June 30, purchases on the Barclays AA Aviator credit card can earn an extra 3x, up to 2500 miles. In other words, you can max out this small deal with $833 in spending. Registration is required before using this offer. The registration link is below:

With the extra 3x, that means earning 4x AA miles on purchases. If you can still make good use of them in the future, this is a pretty nice deal.