I think I answered my own question when I found this on Amazon a few minutes ago.

http://www.amazon.com/GeForce-TurboCache-Profile-PCI-Express-ZT-84SEH4P-FSL/dp/B005PAJVZ0/ref=cm_cr_pr_product_top

S-video out - check PCI-Express - check Cheap - check

Anyone have thoughts on this?