How to setup a third display?

[sswats]

Friend has a Dell Dimension 5100 and has a ATi X300 with 2 outputs.

So whats the cheapest and easiest option to add another display considering the PCI-e is already taken up.

do i add another card onto the PCI or replace this graphicas card with one of those matrox thingies?

 

[J.B]

Cheapest way of doing it is a PCI graphics card. Some mobos have 2 PCIe ports so check that.

Obvioulsy wont be as good as the pcie card.