Replacement parts for really old PC

I upgraded my PC owing to the failure of the display card, it's hard to get replacement by then or else I won't shell out the money for upgrade. Recently, I found these in dealextreme, not bad after all:

AGP:

http://www.dealextreme.com/details.dx/sku.34467

And even PCI:

http://www.dealextreme.com/details.dx/sku.34468