help with the video card dmc3

hoope one onf these cars work i have a seperon3200 not 64 bit not for sure a emachine c3070 pluse some upgrades .
i hope i can find a vido card thats up to date will run it and is not too expensive if anyone knows please email me at mikebrown@warpdriveonline.com or write in fourm i realy could use the help and looking fo some ram 512 mb ddr pc3200 400mhz. what would be a good price for these and other video cards that will play this game and others. or do i just need a new pc. please enail me and let me know or please write in the fourm would be better thank you all for your help
mike brown sorry for my spelling not good with keyboard when you are in a hurry
i cant play devil may cry three card cause it dont support navada geforcer mx but dose play navada geforce fx/6/7 familys and ati radeon9500-3800/x familys (x200not supported0 plese help me her are the specs of the game

System Requirements:
Supported OS: Windows® 2000/XP (only)
Processor: 1 GHz Pentium® III or AMD Athlon" (or better)
RAM: 256 MB
Video Card: 128 MB DirectX® 9.0c-compliant AGP or PCI Express graphics card (256 or higher for High Graphics Detail support) (see supported list*)
Sound Card: DirectX 9.0c compliant (or better)
DirectX Version: DirectX 9.0c or higher (included on disc)
CD-ROM: 12x or faster CD-ROM
Hard Drive Space: 1.2 GB minimum
Peripherals Supported: Gamepad


*Supported Video Cards at Time of Release
NVIDIA® GeForce" FX/6/7 families