In the past, if all tuners were scheduled to be used and then I attempt to pad a show that will run into those shows, I would get a conflict error. Even if 2 shows were on the same channel, they would take 2 tuners for the overlap. This does not appear to be the case with Roamio. I have 6 shows scheduled to record tonight at 9 but then needed to pad Big Brother because of the sports overrun, pushing it past 9. Now there are 7 shows recording at 9 (but only 6 channels) with no conflict error. If they added this ability that is great news. I've always wondered why that wasn't done. Good job TiVo!