512ddr

hey.....trainsim's not working on my system......it used to work on my old p-3 with 160 mb of ram n a geforce mx440...now this is an athlon64 with 512ddr ram and fx5200..... :( i was jus goin thro' old cd's n came across this...wonder if ne1 knows ne compatibility issues?

what will be the best possible graphic card for this configuration(better if its within 7000/-)? amdathlon64 3000+ msiRS480 512ddr 80GBsata i have an onboard atix200idecontroller already.