DISH is giving out 500 free Rapids Rewards on Southwest Airlines. You don't have to signup for anything to receive them. While the are offering 12,500 points for signing up for new service you can opt for "Not ready to signup" instead by scrolling down to the bottom. You just fill in some basic information and they are supposed to award you 500 miles within 8-10 weeks. The link is:
http://www.dish.com/redirects/promotion/southwest/?WT.svl=promos-img