Since last summer, they've been offering in phases an invitation to have your USAA platinum mastercard upgraded to a World Mastercard. I recently saw an invitation notice in the right-hand side of the screen while I was looking at my USAA credit card account information while I was at their website.
USAA Upgrade offer
linkI thought I'd mention that since you sound like exactly the type of customer that they would target with this offer.
Message Edited by MojaveMoon on 03-16-2009 01:18 PM