Hey Guys
I put together the build below at the beginning of the month and I was thinking about getting another Sapphire HD 7870 to sit in crossfire.
Has anyone else done this? If so how does it run?
Sapphire HD 7870 2048MB GDDR5 PCI-Express Graphics Card
Intel Core i5-3570K 3.40GHz (Ivybridge) Socket LGA1155 Processor (77W) - OEM
Asrock Z77 FATAL1TY Professional-M (Socket 1155) DDR3 Micro-ATX Motherboard
Antec 1100 Eleven Hundred Ultimate Gaming Tower Case - Black
Crucial RealSSD M4 128GB 2.5" SATA 6Gb/s Solid State Hard Drive (CT128M4SSD2)
Corsair Enthusiast Series TX 750W V2 High Performance '80 Plus Bronze' Power Supply (CMPSU-750TXV2UK)
Western Digital Caviar Green 1TB SATA 6Gb/s 64MB Cache - OEM (WD10EZRX) **SINGLE PLATTER**
Corsair XMS3 8GB (2x4GB) DDR3 PC3-16000C9 2000MHz Dual Channel Kit (CMX8GX3M2A2000C9)
Corsair Hydro H60 High Performance Liquid CPU Cooler (Socket LGA2011/1366/1155/1156/775/AM2/AM3) (CWCH60
I put together the build below at the beginning of the month and I was thinking about getting another Sapphire HD 7870 to sit in crossfire.
Has anyone else done this? If so how does it run?

Sapphire HD 7870 2048MB GDDR5 PCI-Express Graphics Card
Intel Core i5-3570K 3.40GHz (Ivybridge) Socket LGA1155 Processor (77W) - OEM
Asrock Z77 FATAL1TY Professional-M (Socket 1155) DDR3 Micro-ATX Motherboard
Antec 1100 Eleven Hundred Ultimate Gaming Tower Case - Black
Crucial RealSSD M4 128GB 2.5" SATA 6Gb/s Solid State Hard Drive (CT128M4SSD2)
Corsair Enthusiast Series TX 750W V2 High Performance '80 Plus Bronze' Power Supply (CMPSU-750TXV2UK)
Western Digital Caviar Green 1TB SATA 6Gb/s 64MB Cache - OEM (WD10EZRX) **SINGLE PLATTER**
Corsair XMS3 8GB (2x4GB) DDR3 PC3-16000C9 2000MHz Dual Channel Kit (CMX8GX3M2A2000C9)
Corsair Hydro H60 High Performance Liquid CPU Cooler (Socket LGA2011/1366/1155/1156/775/AM2/AM3) (CWCH60