Not completely! There's E12, formerly known as Rainbow 1, which has 12 spotbeam transponders, 8 (?) of which are currently in service for HD locals.
Sorry, I misspoke. When I referred to 61 I meant to say Echostar 15. When I referred to 72 I meant Nimiq 5.
Pushing customers off 61.5 to receive their HD from 72.7 doesn't open anything up for them. All it does is FORCE a lot of people to update their systems. It's not like they have to clear out 61.5 to put one huge channel on there that fills up the entire satellite.