i think you are confusing VIVO with TIVO. actually i think you can do the same thing on a VIVO, except take out commercials. pause, rewind, slo-mo is a piece of cake using VIVO because you can either use the bundled player or any player you want.
VIVO are AGP usually, maybe there are some PCI versions. as i said before a VIVO card is simply a video card that has special connections to input analog sources. VIVO can also be connected to a TV to watch movies just like most video cards. hmm, let me just link you to one...ah heres a good VIVO card:
if you want a VIVO that can play decent video games: