How to upgrade dell dimension 4700 graphic card to run windows 7

[Shoukry]

I installed windows 7 on my dell dimension 4700 and I need a better graphics card, any recommendaions? the graphics card on my dell 4700 is standard graphics card , I will appreciate your answer

 

[k1114]

What cpu do you have? What are the rest of you specs? What is your budget? What will you use it for?