Of the two you mention IMO SWA is the more likely...
Most airlines are still cringing under the high Gasoline prices. SWA had the foresight of signing a long term purchase contract, and they are just about the only Major airline that is making money. They run the planes like a Bus, and can afford to discount rates, (OAK to anywher in CA for $49, that is less than the price of a tank of gas...
They can afford to "Buy" the eVU and use it as vehicle of making money, with EDIG signing on to a service contract...
Other airlines may sign on with Mezzo group who offer a full service agreement and share the rental fees...
Either way EDIG seems to have covered both the "Rich" and the "Poor" airlines, which means we should get some more eVU agreements announced.
GLTA...
Gil...