HD Package
73 ESPN HD (ESPH)
76 Discovery HD (DHDT)
79 HDNet (HDN) (also on 199 until 9/1)
81 HDNet Movies (HDNM)
84 HD Special Events (SPHD) (shares capacity with HD PPV)

Other HD Programming
85 HD PPV Movies (PPVH) (shares capacity with the HD Special Events)
88 HBO HD (HBOH) (This service is mirrored to channel 509)
91 Showtime HD (SHOH) (This service is mirrored to channel 543)


The following info comes from The HDTV Insider, Gary Merson. See his recent topic for more details: [Link: avsforum.com]