Advertisements I have done a few searches and there are SO many threads discussing this, so I thought I'd post another one I just got a Tivo HD DVR today and I connected my Charter Digital Cable to it (straight from the wall). The standard 90+ channels work as they did on my Series 2, but I'm not seeing any HD channels. I have done a channel scan and it picks up a few hundred channels like 79-5 and 80-1, which doesn't display anything when I view them but do light up the digital icon on the banner... Forgive my ignorance on HD, but do I need an HD antenna or perhaps a CableCard in order to access the dozen or so HD channels Charter says is available in my area? I hooked up a normal antenna and re-scanned (which I'm waiting on now). Can anyone tell me how to get the HD channels? Thanks!