What kind of expansion slot should you use for your video card?

apg slotThe motherboard shown above includes most of the slots that you'll run into these days. It's a little unusual in that you don't often see motherboards which have both PCI-Express slots and an[Peter] has a Socket 7-based NAS with an AGP slot, and was left wondering whether the unused port could be put to a worthwhile purpose. AGP is a superset of