Best cheap ATI AGP card with more than 96 MB,2.0 P.shader supporting.?

I have an Intel pentium D proccessor,1.6 GHz,256 MB ram,(intel 82865G).I m looking for a cheap 2.0 shader supporting card.I m using intel integrated graphics accelarator card.I also have an AGP8x slot,3 PCI slots.Please help me to bye an ATI or other graphics card. I m wanting it for game devloping and playing purposes.I am using 3ds max for 3d modelling which give me an error that my graphcs card do no support 2.0 shaders,textures etc.Please,Please,Please HELP ME Any one good frnd!