Advertisements SO, how big is the largest hard drive in a Cable HD PVR? Seems like the biggest I have heard is a 160 gig, which gives you what, 18-20 hours maybe. That is a serious detriment right there for me. The HR10-250 is about 30 hours out of the box and I added a 250 gig drive for 63 hours. Plus, the HD Tivo works better than most cable PVR's. I have freinds with the Sci Atlanta 8000 and 8000HD and they lock up on a pretty consistent basis so tehy have to be rebooted once a week. Yes, things can be obtained slightly cheaper, but often they are not as good.