WARNING: Might not work with a Dell.
For PCs with only PCI slots.
CircuitCity has the VisionTek Radeon X1550 256MB PCI Video Card
http://www.circuitcity.com/ssm/VisionTek-Radeon-X1550-256MB-HD-Video-Card-X1550PCI256/sem/rpsm/oid/177699/catOid/-13043/rpem/ccd/productDetail.do
for $79.99 Web Only Special. If you pick up, you have to pay taxes, total for mine was $86.79.
For PCs with only PCI slots.
CircuitCity has the VisionTek Radeon X1550 256MB PCI Video Card
http://www.circuitcity.com/ssm/VisionTek-Radeon-X1550-256MB-HD-Video-Card-X1550PCI256/sem/rpsm/oid/177699/catOid/-13043/rpem/ccd/productDetail.do
for $79.99 Web Only Special. If you pick up, you have to pay taxes, total for mine was $86.79.