I was wondering since I have a 7770 and want better performance that I could buy a 7950 and crossfire it with a 7770.
My cpu
Intel Core-i5 3350P Quad-Core Processor 3.1 Ghz 6 MB Cache LGA 1155
My motherboard
http://www.amazon.com/Gigabyte-Intel-Micro-Motherboards-GA-B75M-D3H/dp/B007R9CRGW/ref=pd_sim_pc_2
and I have a 600watt corsair psu.
My cpu
Intel Core-i5 3350P Quad-Core Processor 3.1 Ghz 6 MB Cache LGA 1155
My motherboard
http://www.amazon.com/Gigabyte-Intel-Micro-Motherboards-GA-B75M-D3H/dp/B007R9CRGW/ref=pd_sim_pc_2
and I have a 600watt corsair psu.