I'm having my service upgraded tomorrow to HD. If I'm leaving everything set up the exact same way that it is now (522 in the den - 2nd tv in the living room - to be replaced with whichever they bring 622/722 & 2nd receiver in the bedroom) - will the installers just use the same cables that are already run? I'm just inquiring for basement access - it's a scary place. LOL Sorry if this is one of those "obvious" questions, but, I just want to be prepared.