How to tell if a card is AGP or PCI-E | Hardware Canucks
Lot of 12 PCI Express AGP PCI-E PCI Legacy USB Video Sound Network Cards | eBay
Oscar Barea on Twitter: "3Dfx Project AGP to PCIe - Perhaps 3Dfx fans can be interested but I am really busy and lazy. It is AGP2PCIe adapter. Design is ended since summer