Can Dish survive without Sprint, I don't think so. The below link seems impossible to overcome. The new internet based television platform such as Intel's alone will probably cut into Dish customers by 40%. You can see Intel and Google all over this. Going to be interesting for sure.
http://www.precursorblog.com/?q=content/will-google-become-softbank-sprints-silent-partner
http://www.precursorblog.com/?q=content/will-google-become-softbank-sprints-silent-partner