asrcok h77 pro 4 / any h77 mobo rm250++
i5 3470 will be more enough for you since you're nt overclocking rm600++
sapphire 7970 / any 7970 if you like , can support up to 6 display monitors rm1499++
psu / any 600w with 80+ certified will do fine, personnaly suggest seasonic m for good cable management rm359
ram, any ram will be fine, if you want to show off that you own a gaming ram, go for gskill sniper or corsair dominator/vengeance, 4gb x 2 = rm65x2 value ram = rm130
1tb wd blue + 120gb intel 520 rm220+rm400
casing 你自己选 算他 rm900
monitor 3 个 u2312hm rm600x3 = rm 1800
6千出 你出外面买都是差不多这个价钱
nvdia for 3d gaming
amd for multiple displays gaming
除非你是3个银幕都玩3d 不然不必要买690,如果你真的很喜欢Nvdia, 680很够你用了