I don't think anyone has found an AGP card that is supported by VDPAU. I doubt NVidia will make one, AGP is pretty much dead. There are PCI cards that will work, and they will work in an AGP system, though not in the AGP slot. A few users on this list have tested them and they work with VDPAU just fine. You don't really need the extra bandwidth as you are transferring the compressed bitstream to the card, and it does the display as well, so it's not that hard for PCI to handle it. <br>
<br>I just found out about a free upgrade program BFG has for older AGP cards. Trade in for a PCI Express 9600 or 9800 based card. I'm considering doing it as the GF9 series is supported and I don't really need the AGP 6800 card anymore. <br>