Got round to putting it in the machine today along with a spanking new BFG 800W (ES) PSU and here's the result:
leading to..
..and finally..
So that's bad, right?
I guess there's little I can do but RMA it to scan?
I connected the 8-pin PCIE and 6PIN PCIE (seperate rails). BTW did you guys know that leadtek supply a 2xPCIE (6 pin) to 1xPCIE (8 pin) and nVidia state this is dangerous to use on there website (luckily I didn't need it)?