Just got the following email, very cool.
Activate Your AirTran Airways®
A+ Elite Member Status! AirTran and Southwest
Dear XXX:
As a Rapid Rewards A-List Member, you can now enjoy reciprocal benefits on AirTran Airways flights by activating your complimentary A+ Elite status.
To activate your A+ Elite status, simply click on the button below and complete the form. Please allow two to three weeks for processing. Once processed, you will enjoy special privileges designed to make your travel on AirTran Airways easier, faster, and more enjoyable than ever.
Rapid Rewards and A+ Rewards are committed to maintaining the recognition of our most loyal Members, and this is just the beginning of an exciting integration of two great frequent flyer programs. Stay tuned as we continue working to create the best frequent flyer program in the sky!