2U PCI-AGP-PCI 32 bit Multi Riser Card R2MUPCI (PLinkUSA.com / RackBuy.com)
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
Plate - Test for Port Graphic Card Double Interface AGP/PCI Express Pcie | eBay
pci express - How can I tell whether an old graphics card is PCIe or AGP? - Super User
2 x 32-bit PCI + 1 x 3" AGP slots 2U-32SAGP457 (PLinkUSA.com / RackBuy.com)
G45FMDHA32DB-1 - Matrox Millennium G450 32MB DDR 64-Bit D-Sub / DVI PCI Express PCI / AGP 4x Video Graphics Card
PCI vs. AGP vs. PCI Express Video Cards - Online Computer Tips