I just did exactly that. I had D*Tivo and got the new HD-STB. The installer ran the extra lines down through the wall and now I have D*Tivo with 2 lines and D*HD STB with 2 lines (1-SAT, 1-OTA) . I got all this for $108. I'd love to have HDTivo, bit $800+ just for the STB is assinine. I'm more...