I just received via Avis Prefered Select, a ticket to get upgraded to TWA Elite.. so if you fly TWA or will.. this is a nice way for some bonus mileage/upgrades,etc..

"Fly 3 segments on TWA between March 1,2000 and April 30, 2000 and receive complimentary Aviators Elite membership until December 31, 2000. The Aviators Elite card gives you upgrades, priviledge card bonuses, priority check-in, pre-boarding and more. Plus, after your first flight you receive a domestic upgrade certificate!

* You must be a member of the TWA Aviators program to qualify. To enroll in the Aviators program, call 1-800-221-2000 and mention source code 28992

* Existing members of the Aviators program can preregister by calling 1-800-325-4815 and providing source code 28992.

Subject to complete terms and conditions on reverse"

It states after 3 segments you will get your elite card in the mail.... happy flying.