Dual Core E6600 3.06GHz
2X1GB RAM DDR2
AsRock G31m-s 2.0
Codegen 400W 16amps on the 12v rail.
I want to upgrade my video card to 7750, but I've read in forums that the 7750 can and will have problems with older hardware. My MOBO has a pcie x16 1.1 slot. I will use the card to play games on medium to high settings (no AA or anything like that).
Or should I buy 6670 which is 20% worse than 7750. Will I feel any difference between the both on my current system?
The 7750 will work with your PCI-e 1.1 slot as long as you have the latest BIOS. And by Overhaul we mean that your rig is pretty old and there will be major bottlenecks from the CPU and RAM so its time for you to get an entirely new computer.