Hello, planning on trying a new pc build soon, would like to know what you guys think, trying to keep the price fairly low but I still want a decent pc 
MotherBoard: ASUS M5A78L-M LX PLUS DDR3 Motherboard
Graphics: PowerColor TurboDuo Radeon R7 265 OC Graphics Card - 2GB GDDR5, 1400MHz Memory C
CPU: AMD FD6300WMHkBOX FX-6300 Six-Core 3.5GHz AM3+ Processor - AM3+, Six-Core, 3.5GH
HDD: Seagate Barracuda 1TB HDD SATA 6Gbps 3.5" Internal Hard Drive
Ram: Kingston HyperX FURY 8GB Kit (2x4GB) 1600MHz DDR3 CL10 DIMM - Black (HX316C10FBK2/8)
DVD drive: Asus DRW-24B1ST 24X Internal DVD Burner - DVDR 24X, DVD+RW 8X, DVD-RW 6X, DVDR
Power Supply: Corsair Builder Series CX V2 430W 80 Plus Certified Power Supply
Case: Thermaltake V3 AMD Edition Case or Rosewill Challenger Gaming ATX Mid Tower Computer Case
The total price after shipping is $580.28
Will the pc work alright? Is it worth the money for the parts? And will I need to buy a copy of Windows 7 if I already have a pc that has it?

MotherBoard: ASUS M5A78L-M LX PLUS DDR3 Motherboard
Graphics: PowerColor TurboDuo Radeon R7 265 OC Graphics Card - 2GB GDDR5, 1400MHz Memory C
CPU: AMD FD6300WMHkBOX FX-6300 Six-Core 3.5GHz AM3+ Processor - AM3+, Six-Core, 3.5GH
HDD: Seagate Barracuda 1TB HDD SATA 6Gbps 3.5" Internal Hard Drive
Ram: Kingston HyperX FURY 8GB Kit (2x4GB) 1600MHz DDR3 CL10 DIMM - Black (HX316C10FBK2/8)
DVD drive: Asus DRW-24B1ST 24X Internal DVD Burner - DVDR 24X, DVD+RW 8X, DVD-RW 6X, DVDR
Power Supply: Corsair Builder Series CX V2 430W 80 Plus Certified Power Supply
Case: Thermaltake V3 AMD Edition Case or Rosewill Challenger Gaming ATX Mid Tower Computer Case
The total price after shipping is $580.28
Will the pc work alright? Is it worth the money for the parts? And will I need to buy a copy of Windows 7 if I already have a pc that has it?