Once the Disney and Fox deal is complete, Disney will have both the Star Wars franchise as well as the Avatar franchise under their giant umbrella.
Both Avatar and Star Wars franchises are going to end up with a bunch of added benefits, but it will be interesting to see how well Star Wars does with a new movies and new characters in the future.
As for the Star Wars franchise, the heavy burden of being the main bread winner of the family will be relaxed with the arrival of Avatar.
Disney has already learned that they do not want to put out a new Star Wars movie every year.