Suggestions or changes to this build?

This is the potential system that I came up with for my brother. He plans on ordering the parts soon and has ~$650 to work with. If you notice something that could be better or isn't compatible please let me know before we order.


CPU: -AMD FX-4100 Zambezi 3.6GHz (3.8GHz Turbo) Socket AM3+ 95W Quad-Core Desktop Processor FD4100WMGUSBX
-http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU: -HIS H777F1G2M Radeon HD 7770 GHz Edition 1GB 128-bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card
-http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU: -CORSAIR Builder Series CX500 V2 500W ATX12V v2.3 80 PLUS Certified Active PFC Power Supply
-http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: -Corsair Dominator 8 GB PC3-10666 1333mHz (PC3 10666) 240-Pin DDR3 SDRAM 1.6v Dual Channel DDR3 Memory Kit for Intel and AMD 8 Dual Channel Kit CMP8GX3M2B1333C9
-http://www.amazon.com/Corsair-Dominator-PC3-10666-1333m...

MoBo: -Asus Socket AM3+/ AMD 970/ Quad CrossFireX/ SATA3&USB3.0/ A&GbE/ ATX Motherboard (M5A97)
-http://www.amazon.com/Asus-Socket-CrossFireX-Motherboar...

DVD: -SAMSUNG 22X DVD Burner 22X DVD+R 8X DVD+RW 8X DVD+R DL 22X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 24X CD-RW 48X CD-ROM SATA Model SH-222BB/BEBE - OEM
-http://www.newegg.com/Product/Product.aspx?Item=N82E168...(RW+Drives)-_-SAMSUNG-_-27151244

OS: -Microsoft Windows 7 Home Premium SP1 64-bit - OEM
-http://www.newegg.com/Product/Product.aspx?Item=N82E168...

HDD: (Already taken care of)

Case: -Antec Three Hundred Illusion Black Steel ATX Mid Tower Computer Case
-http://www.newegg.com/Product/Product.aspx?Item=N82E168...(Computer+Cases+-+ATX+Form)-_-Antec-_-11129066

He plans to play mostly; Minecraft, Tribes:Ascend, Starcraft 2 and other recent games. Thanks for any input!