If you are going for an Intel inside solution, then opt for a PCI-E mobo , but u need to shell out a lot for the graphics card. If u want AMD, then u only have nVidia nForce PCI-E motherboard, which is not yet avlble in India.
I would suggest you to go for an AMD Sempron processor based PC.
Look at some back issues of Digit , where there is a head to head comparison of AMD and Intel, along with suggestions for best solution with PCI-E
Hope this helps you.