Well, I'll definetely check out the program you mention..
I have an old tv-tuner card, ATI All-In-Wonder Pro which is a gfx card with integrated tv-tuner. There are drivers and viewers for 2000 and so but they are beta, instable and generally suck whereas the Win9x viewer is superb.
I have one MAJOR requirement on the tv-tuner software and that is that i must manually be able to enter and store channels since I use the tuner for TV, Amiga (Important!!) and two different Playstations. The 9x viewer allows this, but for some incredibly strange reason this feature is removed on the newer versions which supports NT/2000/XP.