Dish has applied to the FCC to move the E-6 satellite to 72.7 W and use the 16 odd TPs that DirecTV is not using there. Here is the FCC website address:
http://svartifoss2.fcc.gov/servlet/ib.page.FetchAttachment?attachment_key=-147616
http://svartifoss2.fcc.gov/servlet/ib.page.FetchAttachment?attachment_key=-147616