选择主机板问题!!!求助!!

想砌部新电脑,拣左AMD 6-Core FX-6300 3.5GHz/14M CPU [AM3+] FD6300WMHKBOX 盒装 [Black Edition] .

但唔知配以下边个底板好....求指教!!!! 谢谢~

1. ASUS 华硕 M5A97 LE R2.0 AMD 970,DDR3,USB3.0,SATA3 6Gb/s,ATX M/B - $660
2. ASRock 华擎 970 Extreme4 AMD 970,DDR3,USB3.0,SATA3 6Gb/s ATX M/B 全固态电容 - $820
3. BIOSTAR 映泰 TA970 AMD 970,DDR3,Socket AM3+, IDE (PATA), COM Port (RS-232), ATX M/B - HK$ 600
4. MSI 微星 970A-G43 AMD 970,DDR3,USB3.0,SATA3 6Gb/s,ATX M/B - HK$ 600

另外都想问问, 如果想玩下"英雄联盟 League of Legends"有无边张平平地嫁Display card介绍俾小弟!!!万分感激!!!!

ASUS

总buget几多