Does anyone know if Tivo has ironed out those speed issues with the Premiere UI yet? I'd heard the same complaints at first, but I was under the impression that this had been addressed. Wasn't it due to something like one of the CPUs/cores not being utilized for some reason?

I've never been certain why some things are so slow on the Tivo UI. I would think that if you have a box capable of recording two HD streams while playing back a third, it would be more than capable of, for example, recalculating your recording schedule when you change the priority of a season pass (typically the slowest the Tivo ever gets).

But it sounds like the Premiere UI is even slower. I wonder if any of that is due to the live TV playback in the menus, which is the first thing I'd turn off if I had a Premiere...