BTW ... turns out I got a bad GTX 570 card. RATSOLA!
Oh well, at least my problems were not my fault!
I get the exact same disk score, 5.9.
BTW, nantoskey, good to hear you got to the bottom of what was causing all those issues. I thought that was strange because I about the same set up and also used the 570 without any problems.
Dude, that is soooo weird seeing a comma where the decimal point should be. You Europeans...