We've mentioned DISH's Sling TV at least once before here. It's a way to watch a limited number of channels via an Internet-only subscription, meaning you don't need a cable or satellite package to get it. We knew ESPN and ESPN2 were part of the base deal with a sports add-on of some sort. Now, we know that ESPNU and the SEC Network are part of that sports tier. It's $20 for the standard channels and $5 extra to get the sports deal with the SECN.