is this a good build?

[BIGBADALEC]

Corsair Vengeance 8GB ( 2 x 4GB ) Memory DDR3 1600 MHz DIMM 240pin RAM CL9 LP

Corsair CX600 600W Builder Series CX Series CX 80+ Bronze ATX Power Supply PSU

MSI Radeon 7850 1GB GDDR5 (R7850-1GD5/OC)

Asus M5A78L-M USB3 AMD 760G AM3+ mATX Pc Motherboard

1TB SATA II 3.5" INTERNAL DESKTOP PC 7200RPM 1000GB HARD DISK DRIVE

Samsung SATA 24x DVD±RW CD Writer Drive Burner Desktop PC Internal

AMD FX-6300 X4 PROCESSOR SOCKET AM3+, 6 CORES CPU

Cooler Master Hyper TX3 EVO Intel AMD CPU PC cooling heatsink

Plus will I be able to crossfire these cards in the future?

 

[Ahmadjon]

Link shows nothing, whats your budget?