Comcast And Pinnacle Usb Stick Watching Live Tv On Vista Media Center?

Watching live tv on vista media center? - comcast and pinnacle usb stick

i 'm currently visiting his family for my birthday on DIRECTV as the only channel on my PC, what works, is CH3, when I go home I have Comcast Digital Cable 50 CH and 50 CH Analog
I have, there is no Internet, how can my tuner accomidate this new scenario is to re-calibrate a USB tuner Pinnacle TV800

could also export to deliver my Xbox 360 with CAT5 cable with the console? maybe my xbox360 as a PVR instead. What about PS3?