Suggest best action games, racing games

[sshinkar54]

Friends,
I have desktop with following configurations-
motherboard - gigabyte 945
Processor- intel core 2 duo
RAM- 3gb (1+2) DDR2
hdd- 250 gb (SATA)
os- windows7 32 bit


please suggest me best 1gb graphics card so that i can play all latest games on my pc..

Also suggest me name of games which I can play without external graphics card.

Thanks in advance....

 

[ubercake]

What is your budget?