DISH Network

DISH has these channels available in HD.  Their HD Pak includes 23 channels and is priced at $19.99 per month.  HBO and Showtime HD are included with the service subscription.

Direct TV

DirecTV has these channels available in HD.  Their HD Pack includes 7 channels and is priced at $10.99 per month.  HBO and Showtime HD are included with the service subscription.  In addition, they also carry the NFL Sunday Ticket in HD as well.

Local Channels

Currently Both DISH and DirecTV offer some HD local channels but unfortunately they are not available in Alaska at this time.