Sorry forgot to report back. By morning it was fine. So apparently the "will take about an hour" message they put up is total crap.
My Mom lives down the street. I'm planning on going over there sometime this week to help her activate the CableCARD. I've done a bunch of them myself and for the most part they're smooth. Although I setup a couple for my sister and it was kind of a PITA. (had to send a tech, who then made a phone call and had them working in 2 minutes