[ QUOTE ] One 30" Dell widescreen will need a card with 2 DVI ports... therefor 4 cards, 4 monitors. [/ QUOTE ] To clarify this, the Dell/Apple 30 inch monitor needs a "Dual Link" DVI port. This is still a single DVI port/cable, but with all the pins being used. Most DVI ports have nothing connected to 9 pins in the…