顯示卡的選擇? 請大師級電腦硬體高手幫忙

CPU :AMD Athlon(tm) 64 X2 Dual Core Processor 5200 2600 MHzMB:GIGABYTE GA-M52L-S3RAM: Lemel DDR2 800 1GB X2HD: Seagate ST3250410AS 250GBPOWER: Switching Power 450WHD3850/70 HD4650/704張要裝那一張玩 3D ONLINE GAME 特效全開不LAG 人多不LAG 怪多不LAG