malaki kaya difference nitong most wanted sa underground?

im playing underground sa PC and ok naman. i have P4, 1.8 Ghz 512 Mb RAM pro may iba kc akong game na ayaw mag run sa PC...i tried installing directx 9 pro di daw support ng videocard. pag ba na upgrade un software ng videocard w/c is NIVIDIA GEFORCE 128 MB, maging ok na kaya un Directx ver 9? TIA