Go!
pricegrabber.com
find out specs at tomshardware.com
quit making everyone else do your work. 
ive found a bunch under 140 bux but i dont wanna get shafted
Depends on what chipset you want…
AGP
Gforce card: http://www.pricegrabber.com/p__MSI_GeForce_6600_NX6600_VTD256_Video_Card,__6926749
ATI card : http://www.pricegrabber.com/search_getprod.php/masterid=4773780
I’ve been out of the whole computer building game… I dont read enough on current hardware.
all in all the 6600 should be a good card. Will handle most games you throw at it. My 256mb Radeon 9600 Pro will play Doom 3 and Half Life 2… barely haha. THose 2 should be great for most games out now.