4000元预算,希望大家给点宝贵建议

PC玩游戏最好上新出SNB 的I3 2100,游戏性能直逼I5 760,功耗也低,但预算估计要加点,追求性价比就上可超频的老I3或AMD四核645,显卡上新一代的主流中端A卡6850,N卡460 1G都得加预算,退而求其次就460 768M  5770这些了,关键看你显示器尺寸而定.
http://www.pcpop.com/doc/0/637/637516_10.shtml
http://www.pcpop.com/doc/0/616/616534_64.shtml
http://www.pcpop.com/doc/0/633/633820_11.shtml
这个网站很实用的,自己搭配对比下就一目了然了:
http://www.anandtech.com/bench/Product/291?vs=313