I have Direct TV (non HD--one dish feeding four sets) and have been looking at various two-tuner Tivo's and Tivo variants. My question concerns the two separate feeds required. I'm probably showing my ignorance of satellite vs. traditional cable, but is there a way to take the one satellite feed I currently have into the room and simply split/switch it at the Tivo rather than running a separate feed from my main four set switcher? I have all my distribution buiried in the walls and it would be a major pain to pull another feed. Any help appreciated.